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A small seriesofseven species from southemAustralia,distinguishedby its combinationofbisected cotyledons; stem pith glands absent; small tlee (mallet) or habitl axillary, unbranched inflorescences;inflexed staminalfilaments, the outerfilaments twisted, p articularlymanifest in flowers (cf. within buds), without anthersand longer than the fertile filaments; ovules in four verlical rows; the outer operculumdehiscing during bud development;and the somewhatovoid seedwith an almost smooth to quite smooth reticulum.

Key to the speciesof Eucalyptus seriesHeleroslemones

1. Buds and fruit squarein transve$e section,at least on lower part of hypanthium 2. Fruit oblong to urceolatein outline 3. Mallet, fruit length:widthratio 2.5:1-4:1 E. prolixa 3. Mallee,fruit length:widthmtio 1.5:l-2.5:l ...... E. calycogona 2. Fruit obconicalto cupularin out1ine...... E.quadrans 1. Buds and fruit round in tansveme section 4. Pedicelsequal to or longerthan bud length...... E.yilgarnensis 4. Pedicelsshorter than bud length 5, Fruit urceolate,much longerthan broad ,,,,,,...... E. celastroides 5. Fruit obconical to cupular to banel-shaped 6. Pedunclesto 5 mm long ...... E. breYipes 6. Peduncles> 5 mm long ...... E. gracilis

l. Eucalyptus calycogona'ftrrcz.,Bttll. Cl. Phys.-Math.Acad. Sci. Saint-Petersburg10: 388 (1852). Typer Swan River Colony, Westem ,1849,J. Drummond 5: 184 (holo: KW;iso; BM, FI, K, MEL, PERTH,W).

Notes.Recognized wrthin E. seriesHeterostemones by lhe malleehabit; the relatively large buds and fruits that are longer than wide, squarein transversesection and have four longitudinal ribs or wings extendingfrom the -hypanthiumjointo the top of thehypanthium. Staminalcolourvaries from white to dark pink. Three subspeciesare herein recognized.

Intergrades between E calycogona and the closely related ,. Sracilis F. Muell. have been "insensible postulated(Brooker & Kleinig 1996), and Maiden (1903) refers to gradations"between E. gracilis arrdE. calycogona, without citing localities or specimens.These repo s have not been substantiatedin thefield by theauthor. The two taxaare distinguishable by bud andfruit characteristics, E. gracilis having much smallerbuds and fruits that areterete in transversesection and barrel-shaped rather than urceolatefruits. E quadransBrooker & Hopper is also closely relatedto,E calycogona showing some moryhological approachto it in its angular hypanthium. E quadrans differs in its obconical,angular rather than dbbed, shorterbuds and fruits. Intermediatesbetweefi E. quadrans and E. calycogona(subsp. calycogona)have been recorded (M. French pers.comm.).

Key to the subspeciesof Eucalyptuscalrcogona

1. Mostadult leaves 1,+-24 mm wide,firm; fruit 6-9 mm wide, ribsvery prominent ...... subsp'spaffordii 1. Mostadult leaves 6-15 mm wide;fruit 3-7 mrnwide, ribs lessprominent 'erle4snYqlnos 'qnsulued 'op8u?t1l 'dsqns or{g pue lsed o) eC uao \loq urog \qetl ouoSozqor ouoSorqor sudqonq I er..8rl

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Crossroad,I Sep. 1988,K IIl3048 (CANB,NSW,PERTH);98.5kmEofHydenonHyden-Norseman road(i.e. I1.7 kmEof crossroads),17 May 1988,L.A.S. Johnson9l01 & M. Johnson(NSW, PERTH); Frank Hann National Park, E of Lake King towardsNinety Mile Tank, 33'04'21"S, 120'13'01"8, 22 Nov.1994,D. Nicolle 1112(PERTH). (west to east):Eyre Highway betweenKimba and Kyancutta,Eyre Peninsula, 33'12'20"S,136"1 1'36"E, 23 July 1995,D. Nicolle1407 (AD); c. 3 km NE of theKallimba entrance on the Darke Peak-Curtinyeroad, c. l6 km SSEof Kimba,29 Aug.1983,J.D. Ariggs 1098(AD, CANB)1 betweenDarke Peake and Mangalo, Eyre Peninsula, 33"29'19'S, 136'26'15'E, l6 Feb.1996,D.Nicolle 1688(AD, CANB);roadbetween canoetree and Tonkin's Cunency CreekWinery, FleurieuPeninsula, 35"21'37"S,138'49'1 1"E, 28 May 1995,D. Nicolle1362 (AD); roadbetween canoe tree and Tonkin's Currency Creek Winery, Fleurieu Peninsula,11 Apr. 1993,D. Nicolle 383 (CANB).

Distribution and habitat. Subsp.calycogonc occurs in malleeand low woodland vegetationand, like the other subspeciesof Eucalyptus calycogona, it generally occurs on locally heavier soils. It is restdctedto three disjunct regions (Figure 2):

I . Centraland southemwheatbelt areas of WesternAustralia, from north-eastofEsperanca west to the Lake Gracearea, where it may be associatedwithE.flocktoniae (Maiden) Mdden (slbsp.flocktoniae), E. pileatuBlakely, E. depauperataL. Iohnson & K. Hill, E densaBrooker & Hopper (subsp.dcnsa) andE. oleosaF.Muell.ex Miq. (subsp.corulrc L. Johnson& K. Hill).

2. Eyre PeninsulainSouth Australia, especially from Kyancuttato Cummins andeastwards to Spencer Gulf, where it may be associatedwith E. phenaxBrooker &Slee, E. incrassataLabill., E. leptophylla F. Muell. ex Miq., E. oleosa, E. cretata Brooker & P. Lang, E porosa F. Muell. ex Miq. and E. peninsularis Nicolle.

3. FleurieuPeninsula in SouthAustralia, from NewlandHead north-eastwards to nearStrathalbvn.

FLoweringperiod. July to November.

WestcrnAustralia SouthAuslfillia

New South Wales

Figure 2. Map of soulhernAustralia showingthe distributionof Eucaryptuscalycogona s:ubspp. calycoSono O, lrachJbasis L ^td spaffardii + altd Eucalyptusprolitu E . (t'g semSrd)'u,1^orq-e8uBro',{ssol8 'u,r\ojq-uDl JJeq, :unlncrteJ qloorxs ol pelld flaug ,&e,r e pue se,roo:3leurpnlr8uol ,{\ollErlsqll,r 'fsso13 '8uol 'pro,ro-mln8ue 't 'Surpueosep ,{pq31s urur 7-1 .rpaas trruJ ur pasolJua,(ld€p se^IE^ 'SurpueJsE '.^ ,3uoy csrp :epr,r Ixrx 8 0 ol ol [e^el oJJEu,{ro,r recs runync:edo: ul?rp ruu 11 ruru 'squ 'el€loe3Jn'atel]€xrped, € I-8 Teo,r!\rnoJ q]l.& slmtg s^loJl€rrua^ t ur sairap slqs pue se.roddq 'proqo13 'alrlESJaA Suruedo o1proqnJ sreqtw alrUal :storDrretnoqlr^r suerxElslalno ,paxouur.rraatpJs' 'Iuld al?d,(1uouruocssal ol allq,r,{ureoJasJa$ol4 .elulnrrdu,luJruoc,$oours ,unrqluedfq ol qlpr.,[ ' '3uol .ruoJrsnJ ut pnbe runyncrado:squ rno3 qlr/r\unrqluudfq ruurpurur S g-g E ruul ZI-01 spzg '3uo1u.rur ,paqruErqun,,fuellrxu g-g slecrpad:8uoluru 11-9'ruln8ue o1alerel selcunped iperemou-, 'spuu13 ,atEJeporu sa7uacsaroL[ulqt.Jprtu tuoq .SS-S€ls sure,rpre1el 1ropuelsr e8rel sno:eunu q]l,r ',(sso13'snoJolocuoc 'epr,4\ ,3uo1 o1 esredsuoqelncqer :ueal8 {J€p o1 ueu8 lulu g1-g ulur 06-gt 'elEloeru€l 'etelorlad 'alr-utellE 'llnp 'snoJolocsrp sa^Dalqzpy ueet8 fnq8qs ot snoJolocuoc+.aplr ruur g puu 3uo1ujurg€ ot dn 'crldJlJe-^\oJr€uueql el?loecuel-.roJJEu'etelorled ,elelualp ueql s.nedg:o 'suoqqrJ ,a1rq,,ir-,tro1e,{ Z JoJelrsoddo sa^D al ?ullpaas uoqs ur SuDecruocap epd ol uea:c-o,r11o.te,lo 'llnp 'e^oqE '[or8 'pe1e11esse1 ,peJnssU ,{ar8 qloolxs ueql IrEp:o.(er8 o1u,,rrorq ,{pueururordol ,{f{ee,r '{ou{l 'ur 'sreqntou8rT ,{laulJ g Z-S 0.roJq8nolZ.rrB. SuruuoJ'lletLug-Zaalpw Al33u4s.roSupzudg

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vol. 13, No. 2 (2000) 308 N,]}rsid

South Auslralia' Fi}ure 3. EucallPtus calycogona srtbsp,trachlbasis habit from south of Pinnaroo'

Rd' Selectedspecimens examined. SOUTH AUSTRALIA (westto eas:):Bute to Port Broughton 33'44'08'S,137'58'47"E,l3Sep1995,D.Nicotte1486(AD'CANB,NSW):cl5kmfromButeon porr BroughtonRd, 2 July 1967, B. Copley1356 (AD); 13.l km N of Mallalatowards Balaklava, (34.20'5,138.29.E), l9 July 1975,G. Chippendate1350 & M.J.Brennan (AD); TailemBend_Loxton (AD, i{ighwayjustNof Mindarie, 34'48,53"S, 140'13'01',E, 30July 1994, D. Nicole 985 CANB)tjust (AD); W"ofL#e.oo on ttighway,35"19'28"S,140" 29'58"E,27 Dec 1993,D'Nicolle 732 nearKeith' 21 Arg.l95O,J.W. dt e'l te8 (A.O);l0 km N of Pinnarootowards Paruna (35'08'5' 140'56'E)' 3 Aug' 19'76, J.D. Turne r 19& H. Vos(AD) VICTORIA(westtoeast):l3.2kmWofMurrayvilletowardsPinnaroo,(35.15.S,|41.02'E)'23Jtl|y 1.915,G.Chippendate1383&M.JBrennan(AD);20kmNofRainbowtoHopetoun'(35"49'5' 142'08'E),15Sep.1977,J.D'Tumerl18(AD,PERTH,MEL,NSW);WyperfeldNationalPark'Ginap 28875(AD' NPA); Track,2 miles[i km] W of EagleTrack Junction, 3 Oct. 1968,A C Beauglehole 12km E of Ouyento Manangatang,16 Sep-1971 , t D Turner122 (AD'PERTH, MEL' NSW)' NEWSOUTHWALES: 14.5 kmfromTooleybuc towards Koraleigh,35"07'33"S' 143"24'I4"E'l3Dec' 1999.D. Nicolle2896 (AD. CANB).

of Distributionand habil4t widespreadbut scatteredin theMid North andMurray Mallee regions Koraleigh souttrAustralia, extending into adj acent areas ofVictoria andjustinto near (Figure2). It occursin malleeshrubland in red-brownloams, occasionally as the dominant (subsp. iss'ociatedspecies includeE sociallsF. Muell. exMiq., E danosaA. Cunn.exOxley, E oleosa oleosa)and E. phenax(subsp. phenax). Brooker (1986) considered it surpdsingthat E' calycogona (subsp.trachyZ,asis) was abs;nafrom mostofNew SouthWales thatis inhabitedby sevelalother mallee Australia speciescommon with thattaxon in victoria. Thesame could be said of E gracilisin westem both ir.,;,E. brevipesBtooker(avery restricted mallee of thenorthem wheatbelt of WestemAustralia), similar alsoof A ser,Heterostemones and both surprisinglydo not extendfurther into apparently habitatsin WestemAustralia. ' ltp.to.{lpds prm ouo 3 oc tlot 'ddsqns;o 'serJedsqns IJEq r11ooruseql q1r,trSuqse4uoc srrp Jo suals ra,trol oql uo 1r€q q8noJ luetslsredeql ol SurrleJo.r'as?q- sisrq puu q8nor - sftlearl lau0 uo{ po^IJapsr leql de eqJ-'KBolowttq

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Notesand ffinities. E. calycogona subsp.trachybasis differsfrom subsp.calycogot?a in thepersistent, rough bark on thelower stems,themorc spreading,stragglyhabit, the slightly broaderadult leavesand the larger buds and fruits.

E. calycogona stbsp. trachybasisis the eastemvariant of E calycogona and is geographically separatefrom the othertwo subspecies. ofsubsp. /rachyba.rissometimes attain the sameheight as typical plants of subspp.calycogona ar'dspaffordii,buthey are usually spreadingand have more crooked,spreading stems unlike the erect,staight stemsof the other two subspecies.The rough bark characterreadily distinguishessubsp. ,racftyDcsis from the other subspeciesof E calycogona. ltalso has somewhatlarger buds and fruits thar' srbsp,calycogona and marginally larger leaves. Therough bark ofthis subspeciesis usually somewhattessellated, like thatofotherrough-barkedtaxa in the serios, viz. E. gracilis, E. celastroidesand E. yilgarnensis (MalLden)Brooker. lc. Eucalyptus calycogona Turcz. subsp.spaffordii Nicolle, subsp.nov

Eucalyptuscalycogona Turcz. var. stafrordii Blakely, Key Eucalypts265 (1934).Type: YeeIanna, SouthAustralia, June 1917 , W.J.Spaford s.r. (syn;NSW).

A subspecietypica foliis juvenilibus latioribus, foliis adultis crassioribuslatiodbus, alabastris fructibusquemajoribus et valde costatisdiffert.

T)pas:between Cummins and Yeelanna, Eyre Peninsula, 34'l l'53"S, 135"43'41"E,South Australia, 16 February 1996,D. NicoLle1682 (hoLo: AD, iso; CANB, PERTH).

Erect-stemmedrullee 24 mtall,forming lignotubers.Barf smooththroughout, light grey to grey overcream,decorticating in bbons. Seedltngleaves opposite formany pairs,shortly petiolate,broad- lanceolate,16-22 mm wide,,1-7 mm long, t concolorousto slightly discolorous,dnll, green.Adult Ieaves alternate,petiolate, lanceolate,T5-105 mm long, 13-24 mm wide, firm (to I mm thick), concolorous,glossy, dark green;reticulation moderate, oil glandsnumerous, irregular, mostly island, lateral veins at 25-35" from midrib. Inflorescencesaxillary, unbranched,7-flowcred; peduncles angular, l0 17 mm long; pedicelstapering to fruit,5-9 mm long. Bads fusiform, 12-15 mm tong x 4-7 mm diam., hypanthiumwith four sharpribs or wings; operculumequal in width to hypanthium, smooth,conical, aprculate. Flowers white. Stazers inflexed, outer stamenswithout anthersifertile anthersversatile, cuboid to globoid, opening by pores and slits. Ovrles in 4 vertical rows Fraih pedicellate,ovoid to urceolate(not including ribs), with four wings extendingto pedicel, 11-13 mm long, 6 9 mm diam.;operculum scal very narrow, level to ascending,to 0.8 rnm wide; disc level to descending,.valves 4, deeply enclosedin fruit. Seeds compressed-ovoid,to 2 mm long, glossy, tan- brown, with a finely pitted reticulum; chaff orange-brown.(Figures 5, 6)

Selectedspecimensex.anlned SOUTH AUSTRALIA:Yeelanna, Eyre Peninsula,(34'09'5, 135'45'E), 5lune1967,C. Boomsrras.n. (AD);6 kmN ofCum-rninson Yeelannaroad,EyrePeninsula,9 Aug 1992, D. Nicolle 86 (CANB);N ofYeelannatowardsLock, Eyre Peninsula,34"l0'39"S,135"43'42"E,17 htly 1994, D. Nicolle 949 (AD, CANB)I Mt Pillowerta, Eyre Peninsula,near Todd Valley, (34"09'5, 135'57'E),11 Nov. 1952,J.D. Purdy s.n. (AD).

Distribution and habila/. Restrictedto centralEyre Peninsula,mainly in the Yeelanna-Cumminsarea, occurring in mallee communities (Figure 2). It has also been recordedin the nearby Koppio Hills. Recordedassociated species include E peninsularis,E. pileata, a\d E. diversfolia Bonpl. (subsp.

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Figure6. EucalyptuscalycoSona sDbsp, spafordii habit from betweenCummins and Yeelanna,Eyre Peninsula,Soulh Australia.

so, named the variety staffordii Blakely. As the taxon is here recognized as a subspecies,the opportunity is taken to corect the name to subsp.spaffordii'

E. calycogona stbsp.spaffordii diffe$from subsp.c4lycogond in the broaderjuvenile leaves,the broaderand thicker adultleaves, and the muchlargel andmore prominentlyribbed budsand ffuit; from srbsp.trachybasisin the smoothbark, mole erecthabit,broaderjuvenileleaves, thebloaderand thickel adult leaves,and the larger and more prominently ribbed buds and fruit; and from E prolixahhe mallee habit, the coarserleaves and the wider, more prominently ribbed buds and fruits.

2. Eucalyptus prolixa Nicolle, sp. nov.

Affrnis E calycogonae sed characteribussequentibus distinguitur: habitu arborescenti(forma "mallet"); alabastrisfructibusque elongatioribus differt.

Typrs; Daniell Railway Siding,Esperance road, Westem Australia,31 March 1968,S'G M' Caft 615 & D.J. Carr(holo:PERTH 04918576;isor CANB, NSW)

Erect-stemmedrnallet 6-10 m talt, with a steepbranching habit, not known to folm lignotubels. Bar& smooth throughout, grey over coppery-red,decorticating in short ribbons. seedling leaves opposite for 4_6 pairs then altemate, shortly petiolate, nanow-lanceolateto narrow-elliptic, up to 27 mm long and 9 rnm wide, slightly discolorous, dull, green. Adult leaves altemate, petiolate, lanceolate,65-92 mm long, 8-16 mm wide, concolorous,glossy, greeni reticulation moderatewiti many large, mostly island oil glands, lateral veins at 30-50'from midrib. Inflorescencesaxillary, unbranched,T-flowered;peduncles angular,5-14 mm long;pedicels2.5-10 mm long. Bzds fusiform, (LD) to T SI9rrD) ND9oxtl d sntdqorll| Jo odtrloloH I em8rd

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Fig\rc 8. Eucalyptusprolixa habit from north of the BremerRange, .

J.B.Clelands.n. (AD);24.5 and 35.1 km W ofCaveHill ontrack to VictoriaRock road,30 Mar. 1997, M. Frenchl74(PERTH);Norseman-Hydenroad,5.l km W ofCoolgardie-Norsemanroad, 32"01'04"S, 12l'36'45"E,18Apr. 1991,R.Davis 3048 (PERTH);4.5 miles [7 km] W along(L) turnoff.6.4 miles ll0 kml N of Norseman,I I Nov. 1970,J. Baker50 (AD, CANB, PERTH)124.2 miles 139 kml S of Norseman,13 Nov. 1970,"/. Bal

Distributionand hqbitat.Endemic to WestemAusffalia, restricted to the goldfields,from eastof Norsemanwestwards to Bullabutling,especialty abundant in tlle areabounded by Mt Day, southof Norsemanand Coolgardie (Figure 2). Its easternand western distributional limits arepoorly known. Itgrowsin clayloamsusually in broadlyundulating landscapes. Recorded associated eucalypt species irrcludeE. cylindrocarpaBlakely,E. dundasiiMaiden,E. tenuisBrooker &Hopper, E &rn4Nicolle, E salaDnsF.Muell.,E. salmonophloiaF.MueIL., E.pterocarpaP. Lang ex C. Gardnerand E. protensa L. Johnson& K. Hill.

Floweringperiod- Poorly known. '9't-tZt :01 tunoqeat?d'tul1sdp saru)trs\dp alDu)dal 'aelnqllsp a1u?pDrvl ap anbuott?qtoq-orls(.qdzssolC q ap ulqntlg eeldlrrsep15 ael?ululrrlep elulnb snfa 'ee.ldl?torex auolcello. ul enbu eld ta e4ce1puotuurruq lt V PlpuelloH?^oN ul eBec€u,{!{ (Zg8l) N'^'\ouluuzclnl 'uosuqolry -totud ( ?JlaqueJ:,trrsra^tun FuoppN usll?Dsnv).. sldtrpcnAaqt Jo uol?cglss?lJV,, (Il.6l) SV'f 61 '9ll-601 :9t {uD1og{o lDu.thofltollortsnv eller$nv uels?o qlnosul sld,(p3neaalFur eqt Jo ourosJo uol8tlqPqorpue a8uxJrlqdepg (896I) NI'u?^\od 4' Cu'suosJ?d 'lo! ( {eup,{S!6tuud lueuus^oD) | ,, sntdqDxngsnuoD aql Jo uolsl^ed It3!1!J V" 1t061) HI uepnhl ( quad :pt1 ,{14uos:a1e4 qtuv.I) .. uapuroql^'wHJo spuoruunr( eql' (696I) U uoqcug tsuol.l^:$loog peau),. uolle.Ulluepl ol epln9 pol?4snl[Uv'st1ld|lDrttg,, 19661) ('SIuIel) ? I'raloorg 'tLE-Lgt tg rr.el(rN (e?ecnF,{I^l- Ap4e1g aoprty selras stltdqotng) uosuqolT roftd ,,aouo3or(loJsstras sktdqorn4,, I?uuoJul eql Jo selcedsqnspue selrods^{eN 1996I) HIII'leIooIE 'q8le.l ( ?{e{snv :OUISJ) .. slusld uvlFrsdv poue&erqlro aIsU,,1966I) Hf d, Ct's33ug (,{eup,{S:saelsnrlsrrlJolA) ,, sldllerna eqr ol ,{et V,, 1t€6I) CnA',{lot?lg

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