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(IOOZ)999-€t9:(€)€Irrsrrnl{ 544 Nr)trrd Vol. 13. No. 3 (2001) and.Rinlia, as sectionsof that genus. He placedBaecka in rhe subtribe"Baeckeaeae" of the tribe Leptospermeaewith Scholtzia,Hypocalymma, Astartea DC. ar'dBalauJrion Hook.

Niedenzu(1898) maintained Euryonlyrtus as a sectionof Baeckea(in which he alsoincluded Asturtea andScholtzid as sections) but hansferredthe relatedspecies Bentham had placedin section Rinzia to Hypocalymmc. He thus recognizedthat Rinzia andHypocalynma arerelated but failed to recognizethat the speciesBentham placed in his sectionEr.rry omytus arc morc closelyrelated to these generathan to theremai:nder of Baecka ascircumscribedby Bentham. Bean ( 1995,1997) recognized th^t Euryomyrtus should be consideredgenerically distinct but did not formally reinstate it ol lectotypifyit.

In theirinformal classification of theMyrtaceae, Briggs & Johnson(1979) placed Baeckea inthe Baeckeasuballiance of their Chamelauciumalliance, with Euryomyrtusas a sectionrequiring investigationto see if it deservedgeneric rank. They subsequently(Johnson & Briggs 1985) abandonedsuballiances in the Chamelauciumalliance and presenteda sketch phyllogram of relationshipswithin this difficult group.

Materials and methods

This studywas basedon the grossmorphology of herbariummaterial supplemented by some observationsin thefield. Themeasurements given for theparts of flowerswere taken from material thathad been boiled in waterwith a smallamount of detergentin it. Themeasurements of leaves were takenfrom dry material.A selectionofthe materialexamined has been cited, based on location(to coverthe range of thespecies), quality of labelinformation and variation. For poorly collected species all the material seenhas beencited.

Terminol.ogy.Processes (Trudgen 1986) are the same structures referred to by Can (1980)as floral trichomes.They also occurin atleastsomeRfuzia species and some other members ofthenatural group to which Euryomyrtrs belongs.

Theinflorescence terms anthopodium, monad, uniflorescence, conflorescgnce, superconllorescence, brachyblast,auxotelic and anauxotelicare usedas definedby Briggs & Johnson(1979). Aril, hypanthiumand flower size are used as defined in Trudgen(1986). Testa surface terminology follows Murley(1951) as given in Steam(1973).

Separation of Euryom!rtus from relxted genera

Within thesupra-generic group having reniform seeds, the seven species referred here to Euryomyrtus form a coherentsubgroup that is sufficiently distinct to deservegeneric rank. Euryomyrtuscanbe distinguished from the other membersof the reniform-seededgroup by having the following combinationof characters:

1. Filamentsterete (sometimes slightly flattened near the base) and the stamens opposite the petals with longer filamentsthan thoseopposite the sepalsand betweenthe sepalsand petals.

2. Anthersdorsifixed and versatile. 'sIS"q eqt araq.r:(rutll g g-1 g) selcunpedpsJnpal d-re^e^eq llv 8ul^\olloJ eql uo lr ruo.gpeluedes aq uuc s8uolaqsr7; (wotung r1t|r11/'ol dnoJ8re8rel aql uI (EITPrsnVtuelse,|& Jo ]se,t-qlnos eql luo{ sarcedspaqucsepun uepsEDuowa$tlod g'oaoc!D'g'DtlottssotJDapaog)sarxeds Suupuer eq1

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seedis known (no seedofthe undescribedspecies has been seen) it doesnothave an aril andthe papillae on the testaare very small (barelydistinguishable at x10);the seedsof two of the species (8. crassifolia andB. ericaea)havea largehilum (c. 1/3ofthe lengthofthe seed);while variable(between the species) the bracteolesare dissimilar to thosefound rn Euryomyrtusand are opposite rather than sub-opposite/ alternateiin threeof the speciesthe calyx lobes areinfolded after flowering, whercasin Euryomyrtus they are not; finally in these four speciesthe inflorescenceis consistently of axillary monads and brachYblastsare not Dresent.

Systematicposition of Euryomyrtus

"sketch Briggs & Johnson(1984:747, figure l0) presenteda phylogrzun"of their interpretation of relationshipswithin their Chamelauciumalliance developedfrom the information then available "standard" to them. This phylogram has six evolutionary lines arising from a putative ancestor "hairs describedas lost, ovary 3-locular, linflorescenca]metabotyoid, hypocotyl>cots." (commas added). Oneof thosesix lineshas only Hypocalymma on rt, anotheronly Balaustionand a third is more complex with branchesfor five genera:Baeckea, Astartea, Baeckea, Thryptomene, Micromyrtus and Corynantherct.Ithas more thanone branchtoBaeckea,to show (as Briggs & Johnsonindicated in their text) that Baeckeawas consideredto include more than one genus.

Subsequently,Trudgen (1986, 1987)described the existenceofa distinctive seedtype in Rirzra, Ochrospermaandrelated genera that has a reniform shape,a crustaceoustesta and is often arillate, The existenceofseeds with this combinationofcharacters has significant implications for unravelling the eyolutionaryhistory of the Chamelauciurnalliance, as in the absenceofevidence to indicateotherwise, it should be consideredto have only arisenonce. To emphasizethe importanceof this seedtype in understandingthe phylogeny of the Clamelaucium alb.ance,it only needsto be restatedthat no other Myrtaceaeare known to be arillate.

The reniform./arillateseed type occvs in Bolaustion, Hypocalymma, Rinzia, Ochrosperma, Triplinaria, Euryomyrlrs and someothersmallgroups ofspecies (see section immediately above)that await definition as separategenera, and is the only seedtype that occursin them. This seedtype thus occursacross the threeevolutionary lines of Briggs & Johnson'ssketch phylogram detailedabove. A reasonablehypothesis is that the generawith this seedtype belongon one evolutionary line ratherthan on three lines. It is proposedthat thesegenera all needto be placedon one line arising from Briggs & Johnson'sputative ancestorand that relationshipsin the remaining generaof the ChameLaucium alliance need to be re-assessed.

The generaon this line arequite diversein other characters,including threestamen types (although all have anthersopening in parallel slits), and determiningjusthow Euryomyrtur relatesto the other generaawaits further research. Howevet, stamenarrangement suggests it is less closely related to Ochrospermaand Triplinariathan to the other genera. The geographicaldistributions ofthe various generawould also support this obseryation.

Taxonomicrevision of Eumomvrtus

EuryomyrtusS cha ret , Linnaeq17 : 239(1843). - Baeckeasectior. Euryom! rtus (Schauer) B entham, Fl. Austral.3: 76 (1867). Lectotype(here selected): Euryomyrtus dffisc (Sieberex DC.) Schauer l= E. ramosissima(4.Cunn.) Trudgenl. 1ouop pue (uedururu g g o1dn aq uuc ,{aq1saptoutadsolda1 g' urE'e) eleu:etp ol eltsoddo-qns1nq arzzry ur sealrsoddo lou oreseloaliurq aql Ja,,ie.roH'sarceds aSzz,ry eruos q pedole^epspeuoru oql ol snoSolorrJoqsuaaslslulupuu'p€uoruestsryttwofunglulecuersoJoulunoql'alruJn/{sazua)safillltl

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'ueipnrl snutuofunq Jo uolsr^arpu? ]ueuaplsulad gIN Nr)tria Vol. 13, No. 3 (2001) trichomes,do nothaverecurvedmargins and areconcolorous. The flowers ofthis species pair are rather disimilarto thoseof theprevious pair, havingthe hypanthium hemispherical or barrel-shaped(with a hemisphericbase) rather than obconic, more rounded calyx lobes and shorter pedunclesand anthopodia.

However, the three membersof the remaining westem group (E, maidenii, E. patrickiae and E. recurva) seemto be less closely relatedto one another,although they all consistentlyhaYe ten stamens.Their leaves arc quite different from those ofthe othertwo groups. Euryomyrtus recumahas tightly involuteleaves with recurvedtips, while E maideniiand E. patric&iaehave small, concave- convex,slightly thickened (ericoid) leaves. The latter two speciesappear to be moreclosely related to oneanother than to E. recurvabutstill showsignificant differences from eachother, for example in the sizeand aggregation of theirleaves.

K€y to th€ speciesofEuryomlrtus

L Stamens10 or less 2. Leavesnot thickened,sometimes with recurvedmargins, tip never recurved,usually with short,hard, translucent trichomes (especially on miugrns) 6. E. ramosissima 2. Leavesthickened, margins never recurved, abaxial surface convex, trichomesabsent 3. Leaveschannelled on adaxialsurface, tip recurved.Ovules 3-5 per loculus 3. E. recurva 3. Leavesnot channelledon adaxialsurface, tip not recurved. Ovules2 perloculus 4. Processes2-5, white,c. 0.1mm long. Leavessessile or with a petiole< 0.1 mm long;lamina 0.6-4 mm long...... " 4. E. maidenii 4. Processes4 or 5, reddish,0.2-0.3 mm long. Lraveswith a petiole0.2-0.4 mm long;lamina 1-5 mm long 5, E. patrickiae 1. Stamensgreater than 16 5. Stamensprominently exserted (twice length of calyxlobes). Ovules2 perloculus. Plants prostrate...... 7.E. denticulata 5. Stamensnot prominentlyexserted. Ovules 3-6 per loculus. Plantsspreading to erect 6. Stamens16-23. Anthopodium1.0-2.3 mm long...... ". 1.E.leptospermoides 6. Stamens25-29. Anthopodiumless than 0.l mm long .2'E.inflata

1.Euryomyrtus leptospermoides (C.A. Gardner) Trudgen, comb' nov.

Baecka leptospermoidesC.A, Gardner,"/. Roy. Soc. WestemAustalia 27: 188 (1942)' non "Hab. E. leptospermoidesF. Muell. ex Miq., Ned.Kruidk. Arch 4:149 (1856),nom. nud. Type: in distr. Coolgardieprope Karalee, in fruticetis arenoso-glareosis,flor. m. Sept.Gardner" near Karalee, [WestemAustralia], l9 September,CA. G4rdner s.n. (holo:PERTH 01605593; tso: PERTH 01605607, 01605615.01605623). ':e,re,troH :o; Sugeelca8uu slr;o ged u:e1sueeqt uI su peuet?en11]ou ,{lqeqo:dst 1t flllucol eurzs 'uoutuoaun eqt ruo:; 3u1uoc A96l aouls petcelloJ sueurlcedsxts oql;o ealw qlut\ ,{puareddest pue 'eeJql,quoud:apoJ 'stltDls petnqqsP {lepl,{l lou srsercadsstq; uollE^]esuoJhtr'IvJ uoqoMasuoJ

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'ue8pnlJ stltr(uotrn7 Jo uolsl^erpu? lueuretEtsured g't{ 552 NuytsiaVol. 13, No. 3 (2001)

Figure 2, A{. Euryomtflus leptospennoides.A - flowering branch (x1), B - leaf (x4), C - flower with two petals - removed (x4)i D-F, Euryomttus i flata. D - flowering bmnch (x1), E - leaf (x4), F flower with two petals removed (x4); G-1, nrryomynus palfickiae. G - flowering branch (xl), H - two views of leaf (x5)' I - flower with two petalsremoved (x5). Dtawn lmm f.R. l{ewbey 9659 (A'1), M. Hislop 437(D'F) nd E Bennett & P Ellery GG029 (c-I). 'e 'et€proJ luoruqc€u€ EcuoJ,!a,\ ,4lpeolq.&e^ seloolJerq:unlllwd,{t{ eql;o asuqeql dsulcqcq.r,r '3uol 'e seloelcerqetrsoddo-qns;o:red e ,tq peleururel ruu / g elcunped:3uo1uut 1 g>untpodoqluu 's1xe :8uoluru € 0 rJ?el pecnper&a,t e ,{qpepualqns alcunped qJee 3ee1:eddneqtulew s1su1q,{qcuq 'tse1q,{qJerq aqt ,(1arerro leuluuelpJpou- l e uo lslqJutJqJJd 7 to 1 stauo17 uorletndodau?s eql uI 'peua{clql spnpr^rpurtuereJJlp uo uaarS-,{e:E:oueer8 IInp lou sa^eelueqa e'?Ins IEIXPqEuo elqlsl^ 'esuqo 'epl,4\ '3uo1 'xe^uoc-o^u 'peu3{JII{l sure^ vnn Z Zj I unu 9'916 1 cuoJ FI^\oII€qsJo J?u"[d 'pa,T:ncer ,(pq311sol lou'a1u,roqoJo e1e^ool ctdqla,{1peo:qo1 3uo1qo .{pq31srolqBIPrs eulu?l:?uol 'Sutddelre^o 'llrelsry uru 9 0r-€'0eloped :SurpBards,{IqAJIs ol pessardde JIeq sa^DaT IlEluu OL-OE 'ueqt uro4 slelqtusJq uoqs pu? puno€ eqt luo{ slrJelssnoJeunu qlt^t qfll?s ,{poon SurpzerdS

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'ua8pnll snutruofunqJo uolsl^erpup lueurelElsurad gt{ NuyrsiaVol. 13, No. 3 (2001) broad, 1.2-1.5 mm long 2.O-2.2 mm wide, thin. Hypanthium barrel-shaped,4.0-4.5 mrn long, 4.5+.? nm diam., the basehemispheric, smooth, oil glandsnot obvious; calyx lobes erectto slightly spreading,transversely semi-elliptic to semi-circular 1.0-1.5 mm long, 2.5-3.0 mm wide, slightly keeled, minutely Lacimate.Corolla 7.5-10 mm diam., white; petals spreadingto slightly reflexed, broadly ovate,broadly oblong-elliptic, oblong or sub-orbicular,3.5-3.7 mm long, 3.0-3.5 mm wide' claw very short or absent. Proce,tJeJ10-12, at baseof adaxial side of petals,c 0.3 mm long, white. Stamens25-29, one oppositgeach petal, the othersin groups of two or three betweenthe petalsand the cenkesof the calyx lobes the remainderopposite the centresof the calyx lobes with one or more missing (G-4 antesepalousstamens present). Filaments tereteorvery slightly flattenednearthe base, tapering towards and curved inwards at apex, antepetalouslongest, just exceeding calyx lobes, 1.5-1.7mmlong, antcsepalousshortest, 0.7-O.8 mmlong. Anthers0547 mmlong,c.0.5mnwide; connectivegland cylindrical, c. 0.2 mm long, c. 0.1 mm diam. Ovary 3- or 4-locular, half length of hypanthium, lower 3/4 fused to hypanthium;placentas slightly raisedelliptic areason the floral axis, c.0.3 mmlong;ovules 3-6perloculus (usually6),tending towards circularin arrangement(rather than in rows). Sryleslender, fusiform, insertedinto top of ovary, equalling calyx lobes. UndehiscedJiuit: hypanthium expandcd outwards, barrel-shaped,contracted under calyxJobes, indurated but not woody, tan-coloured;capsule equalling staminophore, Dehiscedfruit: erect,capsule not openingvery widely. Seed.rreniform, c. 1.7 1.8mm long;arill small;testa colliculate, straw-coloured to lightbrown (Figure2D-F)

Specimensexamincd. WESTERN AUSTRALIA: 32 miles [52 km] S of Wiluna on road to Sandstone, A.S. George 5628(PERTH, MEL);70 miles Il l3 km] N of Sandstoneon road to Wiluna' A.S. George 5654(AD, PERTH);4.7 km alongroad to Wilunafrom theMeekatharra to Leonoraroad(type locality), M. E. Trudgen 2944 (PERTH).

Distribution. Known only from three localities on the Sandstoneto Wiluna road, north of the intersectionwith thc Meekatharrato Leonora road, Wsstern Australia. (Figure 1)

Habitat. At the type locality E inflata grows in aTrlodialAluta maisonnervii hummock grassland/ low open shrublandwith scatteredemergent Acacia a;r'dHakea on deepred sand. Similar vegetation and soil data are given with other collections.

Flowering periotL. Flowering collections have only been made in June and July, but this probably reflects the paucity of collections made for this species.

Conservation.rldlls. CALM ConservationCode: Pdority Onq E. inflata must be consideredas needinginvestigation as it is only known from fourcollections(two ofwhich arefrom the samelocality) and may be a quite uncomrnonspecies, However, it occursin an areathat is not very well collected.

Etymology.The specific epithet refers to the inflated hypanthium in the fiuit.

Notes.The leavesand the size and generalappearance of the flowers ofEaryomyrtrs inflata indicate that it is quite closely rcIatedtoEuryomyrtus leptospermoidex, certainly closel than any othel species is to either. It secmsprobable that they arethe result of divelgencebetween two isolatedpopulations ofacommon ancestorand that this seperationis relativelyrecent. The most striking differencebetween the two is the expansionof the hypanthium in the fruit of Euryomyrtus leptospermofules,with other morphological differcncesbeing essentiallyof a quantitativerather than a qualitative nature. This expansionof the hypanthium is unique in the genusand gives the fruit a quite diffelent appealance to that of the othcr species,panicularly as the staminophoredoes not expand so that the fluit is 'u,rrrorq 'elulnclTloc '.?uo1ntvt (g-VE ern8rC) ,(urqs 1q311 Etsel:pedole^ep e,t\ luE 7 7 c 'uuoJruel,rpaas ',(1epr,r ,fua,r. Suruedo alnsduc :1m4 paJsnla1 untqluud,(qeqt uo uru luelsrs:ad 'l€ryaqdspreq E uroJ qcrq,tr'seqolxfler eqtSurpoacxa lsnf:o SulypnbeelnsdeJ urnrqlurd,{q;tpy' pnsnppun sraqluusnopladaluu Surpaacxe lsnf:o Suqpnbe'f-re,ro go dot olurpeuesur 'lEf,upurlfJ 'pralefior 'snlncoy:ed 'r 'srxu a/trS g-g seln,rol3uol ruul Z'0 F]oU aqluo speretrldllla posmr.{llq8!ls 'runrqtued,{q ':zyncoy-g sEluaJeld:oror{dounuuls Suqpnba lsourp do1 ot pesnJJI?rl re.,r,rol i)nn6r 'urerp 'J?1nqo13 '8uo1utut trrurZ-I 0 puu13e,r.qceuuor :3uol urur g 0 J aaqruy g 0-9 0 snopdasotue '3uo1 'seqol 'xeds unu 0 I-8 0 x,4I"JSurpoacxa lsnf ro 8u11yunbalse8uol snol€tedelue tu spJe.4\ur pe^-lnJ'xedEsp:e,tot SuuedEl'eJele! sluawollC eqolx,(pc qceapuu pled qrEeetrsoddo euo'0I suarzois'.4rfr'3uo1unuggr'spledgoaprsFrxsp€Joeseqle'l-ZSassaJotd'lJoqs,{:a,t,trulc'qsuenbs 'Sulppelds ' 'e]r-rur1gl ro cqdrTlef,les:e,rsuEJt ot J€lnrlqro-qns slEted:{urd ruep uru g 9-g V r4prcJ 'epr^ '3uo1ruur ol pa38pr'alrqaur8ruu'palaol flqS{s ,4ra^ ruutl-g'1 g'1-69'pro11ap:o cndula 'Surpue:ds 'r{loouls' -(xes ol J?lnJrro-rrues fpq8rlso11ce:e seqoy x.{yEc :snor^qo lou spuslSIro u?p '3uo1urur 'J'cruocqownrq|uodtg'elrJurcq 'elrq,r tpuoJq ururg 6 : E l Kyelnurur surSJ?Ix tueur{cpll? 'pouelrrql 'apr,r lou ruur 6'0 r 3uo1uru 6'9-9 9'uuoJrqrx,(c.{lpeo:q ,fue,r seloels€.rq :seloetr€Iq '3uoy altsoddo-qnsgo rmd e ,4qpeleururel ururg'7-9 6 elJunped:3uol urur 6 7 11'1 urnpodoque ', 'r :8uolurx 0'l J€a[puuou erorue fq seruqaruosro Suolurur € 0 Jeala111-]cerq pacnpar .&e,r e .tq papuotqnsolcunpod qcsa:sre/$ou (t)Z Jo 1;o stw1q.{qce:qleuluuat Jo (se^uel Jeddn eqt;o slxe eqlur 'pe^rnJar ,{lpnsn),{-rullrx?saruorsejouur lelq3usrqred(I I ot Flerpr)€- 1,4y1ensn sraarolg palurod dD 'acsJrns 'qtooursrepr,r '3uo1ruu,r ,toleq elqrsr^spuB[3 lro rulug 0-t 0 g y-L 1/$oleq (]?lncJrJ-Irues) 'peue{crql'(ecEJlns xo^uoc IErx?peuo pelleuueqc-g Suu8addu) elnlo^ur ,{!qBp'rcaurl €urupl:8uol tuu Z 0-1 0 eloned:sualsSur,ror8,41prder uo pessarddupuu luutsrp Jo Supee:dspuu Surddul:e,to 'slalqcu€rq 'll€l Z ot sa^oal fJ€al uorls Surmoqsruals fpoo^\ repuelsqlr.^A ruJ OLot qruLlS

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Figure3. A-E. Euryomyrtusrecurva, A - floweringbranch (xl), B - two views of leaf (x5), C - bmcteoles(xlo), D - flower with two petals removed(x5), E - tvo views of stamen(x20)i F-1. E ryomtrtus maidenii. F - flowering branch(xl), G - branchlet(x8), H - two views of leaf (x8), l - flower with two petalsremoved (x4).

Specimensexamined WESTERN AUSTRALIA: Wof Youanmi,?.EIL Aplin6102(AD, PERTH); Wanarra,near Lake M onge\ C.A.Gardner 12499 (PERTH, KEW);Wanarie Station (formerly Wandary Station)nextto MeIToeSidilt,g,A.L. Payne 1038 (MEL, PERTH);Lake Moore,A. Robinson3l,54,129 and143 (PERTH).

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'ue3pnll snu{uo,Qng Jo uolsl^6l pue tueruat?tsulod A y{ 558 Nl'])rsidVol. 13, No. 3 (2001) petals spreading,sub-orbicular to broadly ovate, shortly clawed, 2-3 mrn long. Stamens 10, one oppositeeach calyx lobe and petal, antepetalouslonger, not quite equalling to markedly exceeding calyx lobes, Fik ments terete,tapering from the base,tip incurved, antepetalous0,9-1.7 mm long. Anthers0.34.4 mrnlongI connectivegland sub-globularor slightly curved,c. 0.1 mm diam. Processes 2-5, betweenpetals and antepetalousfilaments, c.0.1mmlong, white. Ovcry 3Jocular, top equalling staminophore,lower half fused to hypanthium; placentasraised broadly oblong areason floral axis, c. 0.3 mm long by 0.2 mm wide; ovules2 per loculus,collateral, 0.5 mm long. S4,leslender, fusiform, inserteddeeply into ovary, equalling calyx lobes,or where stamensmarkedly exceedingcalyx lobes slightly exceeding stamens. Urdellsced fruit: hypanthinm thin, hemispheric,upper part of ovary expandedto equal or slightly exceedcalyx lobes. Dehiscedfruit: capsuleopening widely, valves obtuse,hypanthium becoming saucer-shaped. Seeds reniform, 1.7 1.8rnm long; aril presentitesta thin, light brown, shiny, colliculate. (Figure 3F-I)

Selectedspecimens exam lned WESTERN AUSTRALIA:W of Bullabulling, which is c. 65 km SW of Kalgoorlie,A.M.Ashbey 2509 (B, L, LE, NCU, PERTH,SA,UC,W); 10.4miles[l6.7km] from Moorine Rock towardsPerth along GreatEastern Highway, 10 Sep. 1968,E.M Cannine (CBG);base of water tank, 12 km E of Ghooli, R.J. Cranfield1513 (AD, NSW, PERTH); 26 km due S of Bodallin, R.J. Cranfiekl2306 (PERTH); Youndegin,1892, MissAlice Eaton (MEL):287 mile post on Paynes Find to Mount Magnet road (GreatNorthern Highway), A.R. FairalL 1802(KINGS PARK, PERTH); Bronti, CA. Gardner 12787 (BRI, K, PERTH)I 20 miles 132.2kml E of Cundeelee,9 Mar. 1963, M.C. George,(PE|)'TH); Coolgardie,July 1899,R. Ilelras (PERTH)l Yilgarn, nearMt Moore, 1889, H.S. King & De Courcy Lefroy (MEL); 13 km S of Mt Glass,Bremer Range,K Ncwbey 5391 (MEL, PERTH);6 miles [l0 km] W of BroadArrow, B.L. Powell74018(PERTH); 3 miles [4.8 km] W of Crampthome,S of Muntadgin,R.D. Royce7877 (CBG, PERTH); 6.5 km N of Hickey Ricken Soak(N ofBullhnch), R.A. Sa,jtey954 (CANB, MEL, PERTH); northernboundary gate ofLake BarleeStation with Youanmerry& YouanganaStations,R.A. Saffrey 1004(PERTH);between Salmon Gums and Lake King,39.2kmWofthe tumoffto PeakCh aJles,M.E.Trudgen17l2 (AD,CBG, K, MEL, NSW,PERTH).

Distribution. The speciesis restrictedto the south-westof Western Australia with most collection recordsfrom a belLparallelling GreatEastem Highway from Cunderdinin the west to nearCundeelee in tie east. However, the speciesextends north to the PaynesFind-Lake Barlee areaand south to the Bremer Rangearea (east of Lake King). (Figure l)

Habitat. Over its t.tnge E. maidenii is found in a variety of vegetationtypes on a variety of soils. In the north ofits rangeit grows with Zriodia (Spinifex) on red andyellow sands.In thecentreofits range it growsin arangeofhcath, shrublandand scrub types (including somewith malleeEacalyplasspecies), mostly on yellow sands. In the southempart of of its range it grows in heathsand openEucalyptus woodlands on white sands,clayey white sandsand lateritic soils.

Flowering period. Flowering has been recorded from March to October, with a peak in August/ Septemberand only one record eachfor March and April.

Chromosomenwnber. n= 11(Rye 1979).

Conseryation s/atr6. This is the most widespreadof the Westem Australian speciesreferred to Earyomyrtus al'd xlthoughmany populationsin the wheatbeltpart ofits distribution must have been lost through clearirg for agricultureit appearsto be fairly secure.

Notes. The flowers in the axils of two oppositeleaves may be at quite different stages,for exampleone may be at anthesiswhile the other is in fruit. uortEtsrospuridJo A ur-{/ ti :GJUIId) f}t lo Dlrttlod'S'1661 rDt{ 6Z'p€elseuoqloA\uqZ 0Z '1coppe4 'purg 'uoll€ls le8ueg go ,tr€punoq A sau,{ug;o IAN I{euulqreurng :(HIUEd) 901 Tr ta ' '{ropped )trl.rtDd'S L66l rul{ 6Z'lleA€ppeldEppEA\Jo Nur009 IaBusN'purdssu,{td.}o i&N'uoqets 'S'L66I quuurqreung:(HJUgld)'u's)trrtiDd rpw 6Z'llelN?ppEldEppeA\JoN!u069'lcoppe4la8uey 'purgsau,{u;;o161q'uorlelSqeururqreulng:V6VUJS1VNUAJSAA1'paurwoxasuatunadspalcalag

'alrlncJlloc,{lelnunuulsel 'uuoJruer 'seqo1 :pedole^apIIa,r tuE :8uol urur g I r speeseJnluurury x,{pc pnbe o1dol1u pepuedxe 'pcr:eqdsrureq alnsdec urnrqlued,{q:trry'parslr.lapun srerlu€ snoleladoluu3ur11unbc ottnb 1ou'seqo1 ',{-le,lo;o 'lecupurT.{c 'snlncol x,{pc Surpeecxe dol olur pegesur r/{is Suolunu 7 g r pra1e1loo red g seln^o :eJluef,eql Suop pepr^rp,4Jdeep'sxe prog sql uo Suolrlru Z 0 J suoJuJr1dr1lc pcsrer sutueceld 'xe^uor,{pq8rls 'unrtpurd,(q 'relncol-€ :aloqdouusls Surllunbalou dol eq o1pesnJ estrq puu seprs '1ecr:puq.{c &n,.t6 3uo1urur g g-g'g puDISa^qcauuoo :8uol urur t'0-€'0 s.rarylay Suol urur 9'g-7 9 'tseuoqs '3uol 'ol.&s 'lso8uol snoJud?solus urur 0 I-8 0 pu€ soqol x,tpc Surpeacxe snopledelu€ 'xed? eql spje,t\ur pe^rnc pue sp:e,trol Suuedel'espq eqt Jeeu peuelleg ,{pq8qs ,{re,r ro storol 'Ol '3uo1 stuaruDlll aqol x.{pc pus plad qceaatrsoddo auo suawoy qsrppe: u[u g 9-6 9'sleted 'uoqs 'elu^o '3urp€ Jo eprsIl?rx€pu Jo eseqla'g Jo V sassaJold ,r€lc ,{lpeo:q,{.le,r o1 relncrqJo-qns ds '>1urd 'JepJoq 'ollq,,|\ slEled: uJErpruru g 9 o lq8rl ,lloioJ eterur]Elot eJrlueur8Jeu eurtf,lad p?oJq '9pI.{ '8uol ol ,A\orruuu tlr,,'\ (qslpparsaulleulos Jo uaelS)snoacEqreq erluac mu 9 l-t l ruur S'I-6'0 'cqdr11e-ruras:o cqdrlya-rures,{lesre^suur (ueuo ssaD ol prollep .{lpuorq 'Surprords ,{pq311sro 'qtoours"uErprutu 'I]]cueqdsruaq lf,sJeseqolx,4luJ:snor^qo lou spu€13lro 8'7 y 7'Buolututy l I ol 'eprs xruoJqounlquod(H poluJaasl,{luoqs flnln8alJr ol oJrluolsoup I€rxequuo lueurruordqr:prtu 'peuelcrql 'apr.r '(lcuel€ur 'lueuqcrlu lou uru 1 1-g'y'3uolururg l-0 1 paupuo ,{ll€rradsa)a^rcuoc pEoJq E qlr^\ 'elrlncunr 'cudrlla-ruJesseloetcEJq :elcunped eql Suneu[u:et rrrcl oq1 o1 sal3ue 'saloelJerq lq8r:1urunrpodoqtu€ eql dn.{€.r u?d€loetcu:qel8urs e osp flefiJ elrsoddo-qns1o:1ud e fq '8uol peluurural rulu 9 l-€ 0 elcunpod:3uol ruru 8 Z-€ I unrpodoqlue :(slooqspctriuole eq1;o do1 er{]J?au (eJour Jo) Jrcde qtr,trosle seurleuros)stelqcuEJq ele8uole eql go esrq eqt Jrou Jo slalq3u?Jq 'so^eel IpJoleluoqs aql Jo alppru aql Jmu reqlra l€ruJouJo slrxs ur spsuoru.{nlrlos Jo soJuecseJogur 'elclnc :lelqcuuq c uo (6)V-l sJa$ol! eq] 3o sql,tro:8tno J?ln8elll lroqs qr,r sur8reur aql 'lueuru.roJd :lurod IIEursp 3ur^Eq,{1arerpue xedeeql le o{rTJeeI SurluoJaq ,{preJserurlcuros puc sJaqlo 'pasrn: eql urr0 lJurtsrp aJou ,{llHauo8 qrrpru oql ,{pq8rlsol lcuusrpur suro^ € osrql'll ol lellul?d sure^ o,rl pua qrJprureql ,{q paluredess,no: reln8aur y ur spuey8po qtr,r aceyns prxuqr eql 'spuEIS 'asnlqo 'opr,tr 'pcuc]'ltrU lro Jo sure^ ou qlr,,!\oJByns lurxep! aql unu 11'6'3uol ruur S-l lErl.4\euros 'e^ocuor ueql seprseql lnq rnlnornrues lsoule ol xe,ruoc fl,troleqs eJ€Ins Iprxeqeeql ,{1,ro1eqs 'paualcrql 'sa^Eel ol tsU ecuJJnslerxepu eq1 flaluJepou ol ,{tlq8rls uoqs ,{lFcrdIle uo e1u,roflare.r to 'e1e,toqo 'llEuJS cqd11leseurqeuros ,{1,ro:-reueuruJEl :elndDS e{l[-JrBq fua^ e Fq eprsqf,tro tB pepuelqns '3uol 'rouoqs ulur t 0-2 0 aloued :slelqoucrqra8unof uo Surpuards^tlq8lls pur polcud ,(lesuep ol stalqcuprqSunz8uole ,{p4crnb:o raplo aurosuo pessuddu pug tuatsrpsatovl ssolcc ru I puu IIel 'stuets 'SurpliJds 'uado ur I ot aqt ulo4 slalqJuE.rquoqs qlr,r qru?.lsfpoo^'\ paqcuerq,{latecue^lp

'(-Igl 'SNVJ { .'osr:68921990 HIdlId ioloq) 6LgZlcrrlod'S '966t 'prterlsnv 'purd ',{n^\q8rH ,{lnl gt uolsa/\\ saufpd Jo q ou ur)t t lt uaqlroN }rerC . srd,(J

'geggp srxr,5erunroplad rurseq ps srlleqnl snqr:or8uol snqrssaco:d1a suuyonedsrrloJ pes srurJJEuuaprnw ottturo,(tng

',rords'ue8pru; aeplJtllBd snl.|,{uo,tJng's

'uorlruSoce: cr3rcedsqns;o,{qgo,tr sr uor1pur^ slql Jo euos 1uq1,troqs fuur ,{pn1sesolc pue elqeuz,t alrnb sr sercedspua:dsapr,,,r s1q1

'uo8pnrl snu(uotunV Jo uorsr^er pw luour3tr?lsurod g hl Nuytrtd Vol. 13, No. 3 (2001)

Homesteadand 30.9 km W of turnoff to PaynesFind at Sandstone,14 Sep. 1996,S Patrick 2807A (PERTH);Youanmi Downs,22 Sep.1993,H. Pringle394l (PERTH);GossanHill, S ofYalgoo' 10July 1999,J.M. Ward s.n.(PERTH).

Distribution. Endemic to Westem Australia,known ftom southof Yalgoo to west ofSandstonein the Austin Botanical District. (Figure lx)

Habitat. Euryonyrtus patrickiae hasbeencollected from a plain with red sandy soil and open scrub "spinifex" ofAcacia over and low sedgesand ftom the slopesof a hill with brown loamy, rocky soil with Acacia aneur.t vitr. aneura low open woodland over shrubs \ncluding Dodonaea petiolaris' Mirbelia alt. cleprc.rsaand Eri.sotemonsericeus.

Flowering periotl. Flowering collectionshave been made in March, July, Septemberand October.

Conservation status.CALM ConseryationCode: Priority Three This speciesis only known from a relatively small arcaand severalofthe specimenscome from one small part of Bumerbinmah station. However, BurncrbinmahStation is owned by the Depafimentof ConseNationand Land Management andis managedfor conservationand research purposes (S. Patrick pers comm ) Therefore,Euryomyrtus patrickii iS probably not threatened,but further survey work is neededto confirm its conseryation status.

Etymology.Thc specific epithetacknowledgestheworkofSuePatrick(Western Australian Herbarium), who collected the type and severalof the other specimensof Euryomyrtuspatric,/Myrtaceae,which have assistedresearch into the taxonomy of theseplants, as well as furthering her work on flora of conscrvationsignificance.

Notes, Euryonyrtus patrickiae was previously referred to by the informal geographic name Euryomyrtus sp. Golden Grove (S. Patick2619).

No brachyblasts(short-shoots) were observed, all inflorescencesbeing axillary monads. Asinsome other species,the staminophoreis sinusoidal and this accentuatesthe difference in length of the antepetalousand anlesepalousfilaments as the latter occur in the troughsand the former on the crests.

The seedsseen werenotmatureas the embryowas notdeveloped, howevel the shapewas definitely reniform, the testawas quite thick and had devetopeda colliculate suface and the aril was about half the length of the secd. The hilum is fairly small, about a fifth of the length of the immature seeds (possibly less when they are mature).

6. Euryomyrtus ramosissima (A. Cunn ) Trudgen, comb.nov.

Synonymsand illus/r.itlons. Seeunder the two subspecies.

Sr/Lb, erectto spreadingto procumbentto prostrate,diffuse to dense,woody or rarely lax, usually with short branchletsfrom the main stems,5-60 cm tall, glablous except fol leayes. Leaves half overlappingto denselypacked and spreadingor distant tojust overlappingand appressedon rapidly growing stems,petiolate; lamina linear to linearlanceolate or ovate-lanceolateto spathulate,not to slightly thickened,flat or shallowly concavo-convex,2-14 mm long, 0.7-3.0 mm wide, acuminateto 'ulnrqtuud,(qeqt yo es€qoql J€auueql e,roqero rrud eleurelpTeltsoddo-qnspnsn 'sJe,{\ou eql (ol selSu?lq8u le pm) ,$olaqraqlle elllos uo aloaltHq sJlxe uu a^Eqsueulcads eurog

'speeseql elnqulsp 'sluE 'JeAo,{loH uaql ,{uur qcrq,r ol e^rlJEJl}€eq ,{uru luu eqt pu€ elelluE elE speeseql ,,salnsduc page,ruleq1 ruorg ,4leo4 doJp lnq pesradsrpfle,rDce lou ere,,speas oql l€rll palou os1?JrcC sueutets snopladelueeqlSurpaacxe,{1pa1reure1,{lseqle,reqsuarutcodseuos'JeAe.,'\oH..seJntcutIelaq^\slEtad aql elrsoddos:aqtue eqtJo Ie^e[ eq] ol Eru8pselelrduc eql Sut8uuqsele8uoye e1,{1s eqt acslqspsraqtue 'sno:puelord or4 JaUe,,luql paluls (086I) ::e3 o:a,,nsetcadsqns qtoq Jo sJe^\ogeqt tcq SuloN

'sn1t(wofung snue? eql Jo sJeqruaruJeqto eqt ,{q po,tro11o; 'olD\Jyuap'g slo^gularlsesolt eql'palularare sepeds eseql sldqtnse'Dao)ua'BpuvDuo!1ssDn'g eqot 'A owrss!sowot Jose rlzleJ]sesolc eql leql Suuoprsuo3ur peua osleag etel:do:dduulsI tu:et eql os puu 'eleuuoJ pesnylou ere ,(eql reqlo qJuadepe^o op ,(aql ellq,trtnq sEseloalou.Iq eql p?qlJJsoptJ€J

'sJe,roUeql SuDtst,rslcssut uo suotluA.Iesqopuv xclchuol setcads 'solurperulalur aql Jo &olsrq Frnl€lcuauou eql Jo lunoJcEu€ puu sarcedsqnsaql Jo drru uorlnqFtslp u paprao'Idoslu JrcJ suoqctroueurrceds a,rrsuslxe pus uonu uA Jo slmlep laq nJ JoJpollnsuoJ eq plnoqs qrrq.r'{ro,,!\ srquo pestrqerc,roleqsuopdr:csap pue fe{ aql puuareq pe,to11o.Jc:u sldecuoc st11 'nwlsslsowtu 'dsqnsurqlrr'{ slueuuA oalql pun ruaql uee,^\teqat€rpeurJalul suelxlccds euros pelou oslu 'sonadsqns '(0861) tnq o,^AlpezruSocaj oq,u r€C fq perpnls,{le,lrsualur ueeq suq scrcccls srql .tarolu

"roleq 'serJeosqnsoql qlesu?qacs uotlnqulsto

'llnp 'u,roJq 'el€lncrlloJ 'uuoJrueJ lnulseqr Elsel:lueserd1uu :8uol ruru 9 l t l spaag ,{1epr,t,fue,rSuruedo elnsduc:lrzy'pacst4ag seqolx,{pJ Surpaecxa€/I ol lsnf':n1nqo13elnsdec 'lucueqdsrt-traqunrqt:ucdttl:ynttpacstyapu2 ttaqlSurpeecxe,{1pe1reur,{yarrrro srerpuesnopladaluu Suqlenbe ',4:e,ro;o do1 olur palrasur .{1daap'ltJupullfj-qns 'lnols a/,{ts snlncol :ed g-E seln^o '3uo1 'cndlya :seruer lu paqJullu,(1puo:q uur p g-g'g r setuarEld:eroqdouru.rels Surpoecxe ,{pq311s 'runrqluud.{q 'rtltrsol-E dol ot pesnJt/g re,rol ttD^O rusrp ruru t0-20'pro^oqo putlS e^nreuuoc 'saqol :8uol rnur ;L'O-EO aqJuv Suoyruur 8 l-g'0 x,{1ucSurpeacxo lsnf Jo Surtpnba lse8uol snolBladaluu'xedtr spJ?,rol Suuedel '(peueuDu e1rnb,{1eru:)peuelug ,(pq8rls ,{re,r ol eleral-qns '01ueq,^ suawDlC lueuruoperd spled eql elrsoddoosorp 0l usql ssalueq,^ eqol xFIcJqcgeellsoddo 'slel.d auopue plad qceeelrsoddo auo'61-g snaupis qsrpper'3uolruur 6 0-Z'0 Jo oprsterxepeJo '8uo1qo csEqlE g l-g ,rarsaJord uoqs fue^ ,$EIc lsourp o1e1e,ro ,{lpeorq ,{re,r Jo Jelncrqjo ol JBInJrqJo "urelp -qns'Supeerds spled leldrnd-e,ueru ro lurd luullluq ol par qlr.tr pa8url elrq,&'etrq,u eJnd 'opl^\ ruru 0 9I-0 € DlloJoJ e]P-lorlrJ-esoreol elelorllc sulSJ?tu'qsIPpeJSeJ]uoJ'palac{ 10u turu 8 [ '3uo1urur 'Surpee:ds -9 1 g 1-6'9'pro11eprocqd1l[o-rues ol rulnrJrJ-rureso1cr1d111a-rues fles:e,rsue.4 'cruocqo ,(0q8rlsol l.a.rasaqol x,(Irc:snor^qo ,&e,r1ou spueyE yro'qloorus' ur€rplxru 0 E-6 7 ,{1puo:q 'paue{crql '8uol 'puoJq ot )ruocqo wwqtuod(p eleloqrc-esoreo1 ele1o1lc sur3reu lou rultl 0 Z-9 0 'o^ef,uoJ,{la^ 'proquoq.r tueuJr{JEll€ ol alsp.roiseloaliurq :8uol unu 0 L-0 I unrpodoqtuu :saloelJ€Jq '3uo1 'Jeal aluu:a11eot elrsoddo-qns;o :md e ,(q peleuru:e1 uru 9 61'1 [EruJouE,(q seuqeruos ro Suolurur g 6 r;eel pecnpar.{ra,r e fq pepualqnssalcunpad :spuuour p- 1 Suuuaqstsulqf qcuq ,{-ruy[xu puu I€t-lrtrualpepou-Z Jo -I uo lelqcueJqlad 911 sLanolT pe,r-tnrarsurBreur ueq,r snoJolocstpeurruul 'pJsq'uoqs 'JruoJ-qns :8uolurttl 0 I-2 0 eloDed:pe^JnceJseuqeuos sur8J€ur'(luacnlsuerl seluoqclJl) 'spuelE 'sure^ 'pepunoJ snoJquJsuurulel uauo ssal pue surSruur po qlr.r pe op lJurlsrp ou qlr^\

'ue8p snuluofuhq Jo uols!^erpu? tuolnatElsurid I g hl s62 Nryrria Vol. 13. No. 3 (2001)

Key to subspeci€s of Euryomyrtus ramosissima

Flowerserect, corolta (5X-10(15) mm diam.,petals white or mauve-purple. Floraltrichomes 2-15, alwayspresent. Stamens 10 or rarelyfewer...... subsp. rarnosissima

1. Flowersnodding, corolla 3-5 mm diam.,petals white, t tingedwith red aboveor below. Floraltrichomes few or absent.Stamens (3)5-10 '...... subsp. prostrata

6a, Euryomyrtusramosissima (A. Cunn.)Trudgen subsp. ramosissima

Baeckearamosissima A. Cunn.in B. Field,Geog. Mem. New SouthWales: 349 (1825). Trpe: Blue Mountains,New SouthWales, Cunningham 1822 (holo: K, n.v.)'

Baeckeadifusa Sieberex DC., Prodr. 3:320 (1828). - Euryomyrtusdiffusq (Sieber ex DC.) Schauer, Linnaea17:239 (1843). Type: Nova Hollandia (Port Jackson area), [New South Wales], F.W. Sieber (G-DC,nv.).

Baeckeadiffusav ar. striata DC., Prodr.3: 320 (1828). ?ype; NovaHollandia (PonJackson area)' [New SouthWalesl, F.W Sieber(G-DC, n,v.).

BaeckeaalpinaLindl. in T.L, Mitch.,Thlee Exped. E. Australia2: 178(1838). - Ertryomyrtus alpina (Lindl.)Schauer, lin naeal7:239 (1843). Iype; MtWilliam, Grampians, [Victorial,1836'T L. Mitchell (holo:CGE,n.v.', iso: K,n.v.).

BaeckeathymfoliaHook.f. in Hook.,Icon.Pl.3 (2):t.284(1840), - Euryomyrtusthynifolia (Hook'f ,) Schauer,Linnaea 17 239(1843). Iype.' South Esk River, Tasmania, R. C. G unn86 (kcto: K'n,v.'fide Can(1980)).

BaeckeaaffinisHook.f . inHook ,lcon. Pl,3 (2)tr.284(1840). Type: ElizabethRiver, Campbell Town' Tasmania,R.C Gunn683 (holo: K, n.v.)'

"Ad Euryomyrtusstuartina F. Muell.ex Miq,, Ned' Kruidk, Arch. 4: 149(1856). Iype.' fl. SouthEsk River",Tasmania, F. Mueller(holo: L, n v.;isa: MEL).

EuryomyrtusleptospetmoidesF.M,,sell. ex Miq., Ned Kruidk Arch. 4:149(1856)' nom. nud'

Illustration.Carr (1980: Figure 2).

Rigid,erect to prostrateor procumbentshrub 540 cnhigh, sparselybranched to denselymatted. Leaveslinear-lanceolateto ovate-lanceolate or spathulate,2-13 mm long,1 O-3.0mm wide,acute to obtuse,coriaceous. Inflorescencessolilny or rarely paired,erect at anthesis'later deflexed, Petals 2.G-4.5mm wide. Ovalesusually 5 perlocrs\ts' Capsule 44.5 mrndiam.; seeds 3 or 4 perloculus.

Selectedspecimens exaruined. NEW SOUTHWAIES: RoyalNational Park, c. 2kmW ofBundeena, G.W.Carr7042,7048 (AD, CANB,LTB,NSW). SOUTH AUSTRALIA: nearMt Jaggedtelephone exchange on the Adelaideto Victor Harbourroad, G.W.Carr7062--7064 (AD, CANB,LTB,NSW). TASMANIA: SouthEskRiver, Launceston, Gann 89 (NSW). '(-Igtrl 'SNVC ' :osl lt\SN:oloq)aSoqwrJ I/ Ur'806Ireqrue^oN 'uopels ,sepi(\qlnos^\aN'elleqdrlurNJols?e Fclreurouo8uJ,€rp,qoqlreeu'qtlqleeJ0089'uueqf,)I 'el{Jlag :adKJ'(606DO9E:rt'Z'res saPAqnos MaNzos uulI'rotd T' ueplEll rlolnruuapDalcaog

'^ou Euol'uegp l(eq4og ? ueppw) BlaF lluap snlr,{uo,{rng'L '(0861 'dsqns upJ ) ..rril.rsrsoara.r soop usrll sePnul? Ja,{rollu srncco flunsn 1I su?lduPJDot0 uI su€Idur€J9eql ur eJuerncco 'ls?ot ', '',, 'lo|lqoH paplosruu.roJ ldacxe e$Jo III)I8 ultl[,}i\spuglpoo,{\,(qeeq lo squaq ol peurJuo]

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'sn1nco1red g 'snlntol 'ePl/rr JoZ speas: lu?p urujVg a\nsdo3 red? ,(lpnsn'srltl^O unu S Z-0 I slrrad slseqlue '.{filltos 'owlsslsowDJ'dsqns 'al?ulunc€ l? pexeuap uI ueql:asrtdssacuacsato|fu1 snoete!€qc ro 'et€lootuDl-rueull 'poqcuElq alncE'opl^\r[ur g'l-r'0'Euol ulut 0I-€ olJueu\lsa^oq FlasrEds,{lpnsn '8uno.{ 'xEIro pr8lr'Jepuolsseqcuutq ueq.tlcete'qEII luc 0Z-8 sqrl{s elsrso.ld.toluequnco:4

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'tou 'qwoc 'ua?pn:1 ( g'1oo11)ulu.qso.rd 'dsqns eulpqsorue.r sn1r,{uro,{lng 'q9

'(036I JIeC),,ulur 006I-00S st lluJulErIEnuuB melx ut aEue:eql qirq,t\uer^ueq senq?colul pue'elualop;oetluurS'epqs 'euolsPu€s ruo{ pe^Fepsllos olueJuluago tlplcu uI qleeqJo 'ru 'epnln€l 'rrrlqrll pu€lpooalseroJ ur 0€6I ol le^elses luo{ Jo s,€2 "€t ol,8l o0€Irro{ srnJJo ,,

'puorirqcryty1 reau pu€ uors{uzrc lu lse.t' qrnos JEJerlt ur pls?oc'tsa^\ro ts?eJ€J oql torl 1nq'uuolcl1 ul segtpcolpuelur ur fltsou :serlrlzJolpuPIuI puuplsEoc uro4 uruzurse;go uud u:alsEeaql ul :€llu.usnvqlnos €lnsurued nelJnelc eql puepu€lsl oore8ue11go ged urelsaa oql uo:sepl[ 4no5.ta51',{eup,{5JEeu ol moqJEHsJJo J rnoU'uounErislQ 'C{[sN 'SJ.I'SNVJ'Cv) 80IL-l60Ltlo)'A4'9'llo^\uls ruaue^rosou Je^{oupllld s{cel ea.IqJ:VruOIJIA

'uo8pnJl tlu(uofu A Jo uoFl^er pue tuaureFtsulad AI,{ 564 Nd)t.rjdVol. I.l. No. I (2001)

ILlustrotion. Plate xxxii, Proc. Linn. Soc.New South Wales ser.2,34 (1909).

"shruD" Prostrate,mat forming usually with slender branchesand shon divaricate branchlets. lznves opposite, twisted into 2 rows in one plane, spreadingto 90" from the branchlets;petiole 0.5-1.0 mm tong; Ialnina slightly curved (ratherthan flat) with slightly recurvedmargins, elliptic to broadly elliptic, ovateor oblong, not thickened,1.6-7.1 mrn long, l.l-3.3 mm wide, acuteto obtuse, discolorous(palcrbclow), smooth,greenorreddish, oilglands visible on abaxialsurfaceonly, margins denticulate-ciliate(trichomes short, hyaline). Flowers l-8 per branchlet on 1-noded terminal and axillary brachyblasts,each peduncle subtended by a reducedleaf, eachpeduncle subtended by a very reducedleaf 0.6-1.0 mm long, or rarely flowers solitary in the axil of a normal leaf; anthopodium 0.6-1.8 mm long peduncle 0.8-7.0 mm long, terminated by a pair of sub-oppositeto alternate bracteoles(up to 0.5 n]m apart);bracteoles broadly ovate, not thickened, very concave,attachment broad, 1.0-1.4 r.r.rmlong, reddish, clasping young bud. Hypanthium narrowly to broadly obconic, 1.5-1.7mn long, 1.3 2.0 mm diam.,smooth, pale-coloured or a dull red; calyx lobesspreading, narrowly deltoid to deltoid, 1.5-1.7 mm long, not keeled,red, margin entireor with a few shorthyaline trichomes. Corolla 5.5-7.0 mmdiam., white to palepink;petals broadly elliptic, oyate,oblong or sub- orbicular, claw very short. Processesabsent. Stamens 1925, one oppositeeach petal and calyx lobe theothers betwccn tl.lcsc. Fiktments very slender,terete, tapering very slightly towardsapex, not curved inwardsat apex,antcpetulous longest, markedly exceeding calyx lobes,2.5-3.2mm long, antesepalous shortest,1.5-2.0 nrr long.Anthers c.0.3 mm long;connective gland sub-globular, c.0.3 diam.Ovary 3-locular, lower thild to half fused to hypanthium,top hemispherical,umbiculate, equalling staminophore;placcntas slightly raisedalmost squareareas on the floral axis, c, 0.2 mm long; ovules 2 per loculus, collateral, or rarely a third present. Style slender,tapering slightly towards stigma, insertedinto top ol'ovary, equalling antepetalousanthen. Mature fruit vnkr,own. Seed.rnot seenat maturity; aril pfcscnt.

Specimensexuined. NEW SOUTH WALES: head of Bumberry Creek, SW of Countegany, D.F. Blaxell 485 (MEL, NSW); Bumbeny Creek on the Wadbilliga fire trail, 39 km ESE of Cooma, R.G.Coveny 6597 , P.D. Hind & M. Parris (A, CANB, K, L, LE, MEL, MO, RSA);Kydratrigonometdcal point,Kybean Range,36'25'S, 149'31'F.,M. ParrisCBGT 907576 (CBG);Bumberry Creekcrossing, Wadbilliga Gorge trall, M. Panis CBC 7907577(CBG); Kosiusko National Park, Marangle Range, on Manjarfire trail betweenManjarand MtBlackJack, M. Panis CBG 850315(CBG, NSW, PERTH); Conways Gap NE of Kybean, 36'16' S 149'32' E, I.R. Telford 8513 (CBG, NSW, PERTH); Kydra trigonometrical point, c. 40 km ESE of Cooma,J.1L WiLlisMEL72712 (MEL).

Distribution, Found only in a small areaofsouth-western New SouthWales with most specimensfiom nearthe Kydra trigonometricalpoint or from the nearbyBumberry creek and one from the Marangle Range near Mt Black Jack to the south-east.

Habitqt. Krrcwn frorn under Eucalyptus viminalis and E. pauciflora on granite with Grevillea victoriae,Acac ia LtLcosii,A. rubida, Bursaria spinosa and other shrubsand also from Allocasuarina raza heathwhere it was scramblingover rocks. It ocurrsin quite high areas,from 950-1300 m above sealevel,

Flowering time.Flowersthrough a considerablepart of the yearwith flowering specimenshaving been collected in Apdl, August, October and November.

Conseryationstatus. Although only known from afew specimensfrom a restricted arcaEuryomyrtus denticulqtais apparentlylocally common,notwithstanding this it is in needof surveyingto determine its exact status,it is cefiainly very poorly collected and very restrictedgeographically. 'J (uo^o('pqqv uor^\eN:sel&qJT pI^€() upopuz.,up?'I le.!uelog,. (€/61) ld ru?els 'ren?qrs 't'tz-gtz tLI DaDxluT esl]u8oca!onuep le^ ?^ou tunlParE]l,(t{eleuoc (tt8l) 'cLs _JI Ltg tLa tuotogJo punof u\lloltsnv suorlluldurlclruouoxpl sll puBeeereutrr\l eql ul uoqelre^roqrunu euosotuollJ (6L6t) ']{'e.{U C€/61 urEetsur palono) 98-l tgt tsllDrnt1NWolnw uoruauv ovleJlcnjCeql Jo spaos (1961) dt{'Ielrnnl '99L-001 tlL uzptD9 lortuolo(l 'uosuqof unosslw aq to r/ruuy srsrFuv rlleueSolxqdE - aEat?u,{Nple stFu,{N (6a61) CS's33ug T SV"I 'zn-60t t(9)l Dadopl Ipnls prr8oloce pup 5lruouoxetp (evatsu,{I,rl)'uur.J'V oulsslsoworoalraDg (0864 l\\'D'nuJ 'SfC-Otf:tf 'Z rasMpA4 |tnos $aNIo trtJos uoduu!1 aqt{o s1wpaarord orruohl uralspo'rr^uld salvrl qlnos ^\aNJo EroUe^IlDu eql uo sepN (606I) HU'e8squ?J 'gSz-LSI :(DZOI salo[ \tnos //.aNlo fuatros uDauul a|t lo s9ulpaacord 'uosuqof 's33ug 'ornlcn4s aruerserouulurou ecuepr^e- 6eereu,{r{ eql ul uolnlo^A (6t61) S V'l ? D g '€ '(/981) (uopuo'r:o:) T' e^oau lla^ol) IoA .. sBu5llsrsnv uolJ" I \u?qlueg '992-L9r tl t 'aeecvu,(N) 'useg otaloqlortshv (e?eplouredsotdal lpul'I o! ot8uqDg snua8oql Jo luouelEsuleu 11661) UV '1,9€-€S€ 'us5g :(€)t olaltDqoashv Jad DlroltllduJJo uols!^arpu? rueuel?lsuleu (9661) dV

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'ueEpnJI sntJ(uo()ng Jo uolsl^eJ pu? lueuralrlsulod gtl Nr.r)tsidVol. 13, No. 3 (2001)

Trudgen, M.E. (1986). Reinstatementand revision of Rinzid Schauer(Myrtaceae, Leptospermeae, Baeckeinae). Nuytsia 5t 415-439. Trudgen, M.E. (1987). Ochrosperma,a new genusof My(aceae (l,€ptospermeae,Baeckeinae) from New South Wales and Queensland.Nuytsia 6i 9-17.