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3i8 Nl?]rsrdvol. 13,N0. 2 (2000)

Two of the taxa described here (E. gittinsii sttbsp. illucid.a and E. chartaboma) remained unrecognizedin arecentreview ofthe subgenusbyHill&Johnson (1998). The third taxon described herc (E. extricq) had previously been consideredto representa distinct ttu\on (Brooker & Kleinig, l g88), or hadbeen included under E rerragonc(Hill & Johnson,1998), because ofconfusion regarding the identity of E. tetragona.

Taxonomy

Eucalyptus seriesHeteroptera Maiden, critical Revision of the GenusEucalyptus 7: ll5 (1925). Type: Eucalyptus tetragona (R. Br.) F' Muell [= intergmde between E e"jrlricaNicol]e and E. pleurocarpa Schauerf.

A seriesofseven speciesendemic to thesouthem paltof WesternAustralia (exceptE,eudesmioides which also extendsnofih to waffoora station at 23'30',S), distinguishedwithin stbgenusEudesmia by the 3-flowered umbellasters,staminal filaments in four fascicles(bundles) and the creamy-white, or.in E. erythrocoryr, bright yellow, staminalfilaments.

Eucalytuseu(lesmioides is heretaken to include the Iecently descrrbedE. palLida L.A.S. Johnson & K.D. Hill which I believe is not specifically distinct. Variably glaucouspopulations of E. eudesmioidesdo occur west of the GreatNorthem Highway in the SharkBay region and also in the Kernedy Range,and thesemay warant subspecificrecognition. However, the type of E paLLida,and orher irdividuals from the type locality and elsewherealong the Gleat Nonhern Highway north of Geraldton, are not prominently glaucousand are morphologically very similar to E. eudesmioides occurring elsewhere.

E. tetragond is no longer recognizedas a specieswithin the seriesbut is instead consideredto representintergmde s betweenE. pleurocarpa andE eltrica as discussedunder the latter'

Kcy to the speci€s oI Eucalyptus series Heteroplers

I . Staminal filaments sulphur yellow, operculum red ...... E. erythrocorys l. Staminalfilaments creamy-white,operculum greento yellow or pruinose 2. Juvenile leavessessile or sub-sessile,adult leavessmall,6-22 mm wide 3. Adult leavesdull ,,...... E. eudesmioides 3. Adu1t1eavesg1ossy...... E'selachiana 2. Juvenile leavespetiolate, adult leaveslarge, 15-75 mm wide 4. Branchlets,adult leaves,buds and fruits not pruinose 5. Fruit < 12rnm diameter, t squarein transvelsesection...... E.gittinsii 5. Fruit > 13mm diameter,terete ln transversesectron...... ,,...... E'extrica 4. Branchlets,adult leaves,buds and fruits pruinose 6. Leaveson matureplant lanceolate, 15 35 mm wide...... E' conveniens 6. Leaves on mature plant elliptic to ovate, 30-75 mm wide.... E' pleurocarpa 'urrttZ'pd '1red ggpgds1t2'q'y,1'6261 rpr?qroo;3uoppeo: pueH uaarC-,torooJJo S nq L IEuoIlsN '€66I 'qeC '5,,91,60.0€ uosurohtrrepu?xelv Jo S lsnf :(Hldgd) L9Vg.tf' suo^A S L'A,8Z,II"9II 'lcerl 'pneqrrtr 'pneqal 'IJed plo uo l ttr{-rnans{ II I Surlcsstqeu1 9751uo tI I JoN tlq I I€uoD€N '€66I 'des 'qS 'uoqelplsur rnense'I:(HJdgd) ItgI !2lttod s I I ol ru 009 I su8meu ssau Jo dol 'e^resedernleNolleuooJ:(HJdgd) 69EZnloorg'H'f W'016I uelr'eqq€eua spru,tol s8uudS eerql JoIAS [ur-{9I] salru 0I r :(qlnosol quou)VI'IVUJSnV Nd{lsgl pautwoxasuawrads paDaPS '.{ssol8 (Z'I saInBtC)u.^\orq-per JJpqr:e8pa lesrop aql ',roJJeu '{ 'llnp '8uol puno:eSupuelxa 3ur,r urql dJaA e qlr,r lq lsolxp 01u.roJq-,(eJ8 {rep ruu g-€ 'lEprluer,{d ':F^el 'pesolrue 't flruln8a.urspaas uu punoJ€ol sdll esEq sa^p^ :apt^\tuul g Z-g I 'SurpuecsepJSrp :slEdes lq pe.rncsqo,{1wdpuE ,rorsu fre,r recsrunlnc:ado :uonces esJeASuE.It uI 'squ 'epr,r '8uoy '!uu eJenbs+ leurpnlt8uot{€a^ rnoJqlr^\ ruu 11-6 uru 9y-7I uo q}eetsE Surlsrsrad 'pedeqsleueq 'snoJnelS spdas tpq^\etuosol Suolqo lou stntl s^\orlu3rue^ (9)? uI sairao sllls 'alrt€sje^ 'pexeuur'sJolsnlJ purpnlr8uol,4qSuruodo'pro^o ol Suolqo sJeqlu?:elualIIE JnoJur polpunq '"t\rIM 'runrqluud,{q 'pepunoJ ,{lsnoncrdsuocsuaarDlS uanloll ueeJ8elsd'qloous ot q1pt,,ttur l€nbe+ o1 elelncrdu'pcruoc ,{lesntqoo1 pcr:eqdsrueq-peueEU urnlncredo:sledes e{q-qleel lueunuord 'lucruocqo ol Surpuelxesqu pupnlrSuol rnoJqlr.r'leJrped ot Suuodq unlqtuud,(qiepl,t,t lxu.I 9-t '3uol 'ats^€lo'snocnDl8-uou 'slecped uru ,-g spng 3uo1urur gj sleclped:8uol uIIx Z1-9 spre,,no1 Suruopuorqpu€ pauell€U+ selcunped:peJa,rou-€ 'peqruErqun 'Amllrxu saJuaJsatolul qypp ruo{.09-g€ l? suJe,r.p:etey'spuuyS Io puelsrsnoJeurnu qlr,^A'oleJoporu ol asJeds uorlslnauar :uaara 'lFp 'snoJnEIS 'snoroloJuoJ'ept/r\ '3uol 'olulooJuel -en1qo1 ueu8 epd tou ururgE-02 urur0l I-0L -peorq'elelorlad 'olsura\e sa^oal qnpv 'frruq ,{puaunuo:d 'uae:3-.{ar8 '1np 'pcrldllle-alu^o 'elelorled 'al€uJalleueql s:red g-y rog elrsoddosa,rzal 3u17paag woyuet suopa1fio1luesqu spuu13qlrd 'snoJnBIS 'q8nor 'u€l louslal{rurrB' sualsJa,,rlol aql uo {Jeq,{uoqqu lualstsrad eruosqll.4A Jo le^oi(eJB 'qloours '11c1utp-7'1rquq .{1e1e1duroc4.tog TuesetduaqntouSlT asn;3ero 8u1y,trefis louego'aa11o1tg

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lr'r),sia Vol. 13, No. 2 (2000)

Figure l. Holotype ot Euulrplus gitllmii subsp. iLlucida (lV.l.H. Brooker'7651).

(CANB, NSW, PERTH); NW of Dandaragan,30"4'46"S, 115"34'23"E,25 Ian. 1996,D. NicolLe165 | (PERTH);S sideof Mt Misery at baseof hill, 30'41'50'S,1 15"36'53'E, I I Dec. 1992,D. Nicolle 252(AD): 3 km S of YandanRd on Brand Highway, 9 Apr. 1984,M.l.H. Brooker 8502 (AD, CANB, PERTH).

Distribution and habitat. Endemic to Western Austmlia, restdcted to the northem wheatbelt and nearby coastal sandplains,from the Moore River in the south, northwards to near Three Springs (Figure 3). It usually occursin white or grey sandsor shallow gravelly sandsover laterite. Associated speciesinclude Corymbia calophylla (Lindl.) K.D. Hill & L.A.S. Johnson,Eaca lyptus falcata Tvcz. sens.Iet., E. arachnaeaBrooker & Hopper (subsp.arachnaea), E. drummondiiBenlh., E. leprophloia Brooker & Hopper, E. pleurocarpa Schater,E. macrocarpa Hook. (subspp,elachantha Brooker & Hopper atdmacrocarpa), E. albidaMaiden & Blakely, A igidulaMaiden andE. abditaBrooker & Hopper.

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Nll}lJid Vol. 13, No. 2 (2000) may also ultimately be of complex hybrid origin. If this is the case,the populations attributed to E. gittinsii s\Jbsp.illucidahav e ceftainlynow stabilized,as there is no evidenceofcurenthybridization betweent gittlnsli subsp.illucida and E, conveniensor E. pleurocorPa. A more likely hypothesis for the origin of E. giltinsii stbsp. illucitla is that it and the northem populations (subsp.gittlnsli), through long term isolation, differentiated from one another becauseof differing environmental pressures;subsp. giltirsii usually occurring on much deeper,red, aeolian sands.

E girirsii subsp.illaclda is superficialty similar to E. extrica, especiallyin leaf morphology, but can be distinguishedby the completelack of pruinosity and the smaller,more slenderfruits that are prominently squarein transversesection.

2. Eucalyptus extrica Nicolle, s2. nor,.

"Eastem Eucalyptus sp. B, tallerack" of Brooker & Kleinig (1990).

Affinis E.pleurocarpae sed charactcribus sequentibus distinguitur: ramulis, foliis adultis,alabastris fructibusque non-pruinosis; foliis adultis longioribus angustioribus,latelanceolatis et viridibus; pedunculis et pedicellis longioribus; fructibus ovoideis differt.

Typus: c. 3 km nofth-eastof Howick Hill, in location 251, Westem Australia, 2l September1968, A.E. OrchardlI21 (&olorPERTH 01441779; uor AD, CANB, L).

Spreading,usually effuse mallee,l-4 m tall; new growthusually lightly glaucous.Lignotubers present. Ba,.t smooth, light grey over tan to brown, sometimeswith somerough, persistentribbony bark on the lower stems. Branchlets strongly quadrangular, not glaucous, pith glands absent. Cotyledonsrcniform. Seedlingleaves opposite for many pairs,petiolate, elliptic to ovate,dull, grey- green, prominently hairy at first. Adult leavesalternate, petiolate, broad-lanceolate and sometimes falcate,'l5 140mm long, 25-50 mm wide, concolorous,not glaucous,dull, palegreen to slightly blue- green;reticulation sparseto moderate,with scattered,mostly island,oil glands,lateral veins at 35-50' from midrib;petiole flattened.InJlorescen ces axillary, unbranched,3-flowered; peduncles t flattened and broadening towards pedicels, 12-20 mm long; pedicels flattened, I l-15 mn long. Bads not glaucous,clavate, 6 9 mm long, 4-6 mm wide; hypanthiumobconical, tapering to pedicel,with four longitudinal ribs, most prominent at the baseof the hypanthium,sepals present but not conspicuousl operculum flattened-hemispherical,rounded, t equal in width to hypanthium, smooth,pale green to yellow. Flowers white. S/anzrs conspicuouslybundled in four clusters,inflexed, all fertile: anthers versatile,oblong, opening by longitudinal slits. Ovrrle.rin 4-6 verticalrows. Frrirs often conspicuous in or abovecrown, glossy, green to yellow-orange,not glaucous,ovoid to somewhatbarrel-shaped, sepalssometimes persisting as inconspicuous teeth on rim, 10-22 mm long, l3-17 mm wide, with four very weak to prominent longitudinal ribs, terete in transversesection; operculum scar narrow and obscuredby sepals;disc descending,2-4 mrn wide; valves3 or 4, baseenclosed, tips below rim level. Seedsiregularly pyramidal,5-6.5 mmlong, dull, dark grey-brownto almostblack,with anarrow, thin wing extending around the dorsal edge;chaff gtossy,dark red-brown.

Selectedspecimens examined. WESTERN AUSTRALIA (westto east):near Condingup,33"46'56'S, 122'31'22"8,8Dec. ),992,D.Nicolle 1'11(PERTH);76.6miles [l23 km] E ofEsperance,25Mar. 1968, G.M. Chippendale402 (AD, PERTH): sandyslope on NW sideof Howick Hill, c l km ftom summit, 8 Nov. 1983,L.I/aeg i2610 & P.S.Short(AD, PERTH);scrub N ofFisheriesRd, c. l0kmESE of Howick Hill, l7 Sep. 1968,E.N.S. Jacksor 1233(AD, CANB, PERTH, K); 2.5 km S ofTower Peak,Ragged pu?v ,rrrirl' ddsqns,rur,rr' srr./(rrrra Jo uoqnqursp aqr'ur^roqs ,s"92 ""t";?.l:i:ff il:ljjli'f.W::':?{

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Notesand affinities. Distinguishedfrom E. pleurocarpa it the non-pruinosebranchlets, mature adult leaves,buds and fruits (all strongly pruinose in E, pleurocarpa); the longer and narrower, broad- Ianceolate,green adult leaves (elliptic to ovate and grey in E pleurocarpa); the slightly longer pedunclesand pedicels; and the ovoid fruits (globoid in E pleurocatpa).

"green" "non-glaucous" This taxon has in the pastbeen refened to as the (Chippendale,1988) or (Elliot & Jones, 1986) variant of E. tetragona. The type of E. tetrqgona is now recognized as representingan intergradebetweenthe commonand well-known tallerack(E. pl€urocarpa, prcviously "green erroneouslyreferred to as E, tetragona),and the lesswidespread variant", E, extrica,

Intergradesbetween E. exftica and E. pleurocarpa occur over a east-westrange of about 30 km betweenthe westemendofCapeLe GrandNationalPark and Condingup, with the typeof E. tetragono from Llcky Bay in CapeLe Grand National Park. Theseintergrades are recognizable by their crown of lightly glaucousleaves.

E. extrice is also superficially similar to E. gittinsii subsp. illuckla, especially in adult leaf morphology. Itcan be distinguishedby the generallycoarser adult leavesithe longer pedunclesand pedicels;the lessprominent sepalson the buds and fruits and the larger, ovoid fruits that are teretein transversesection,

Eucalyptus seriesMiniatae Blakely, Key Eucalypts14,72 ( 1934).Type: EucaLyptus miniata A.Cunn. ex Schauer,

A seriesoffive speciesoftropical Australia,distinguished wilhin Eucalyptusslbgenus Eudesmia by the persistentbark on the trunk(s),the 7- or >7-flowered umbellasters,and especiallyby the bright orangestaminal filaments that occur in a continuousring, Orangeflowers areknown elsewherein the genus(occasional individuals of E petiolaris (Boland) K. Rule have dull orangeor apdcot-coloured filaments), and in Corymbia K.D. Hill & L.A.S. Johnson (C. ficifolia (F. Muell.) K.D. Hill & L.A.S. Johnsonoften has orange-vermilionstaminal filaments); however, they are never consistent amongstall individuals within a speciesnor the cl€ar orangecolour of thoseseen in all speciesofthe Miniatae.

K€y to the species of Eucalyptus series Miniatae

l. Umbellasters>7-flowered 2. Wholeplantstrongly 9laucous...... E. ceracea 2. No adultstructures glaucous E. phoenicea l. Umbellasters7-flowered 3. Branchlets,buds and fruits not glaucous...... E. gigantangion 3. Branchlets,buds and fruits glaucous 4. Fruit45-65 mrnlong,35-45 mm wide. Persistentbarkpapery...... E.chartaboma 4. Fruit3H0 mmlong, 18-28 mm wide.Persistent bark fibrous...... E. miniata

3. Eucalyptuschartaboma Nicolle, rp. nov.

Affinis E miniatae sed characteribussequentibus distinguitur: cortex in trunco pallidior squamato-chartaceus,folia adultaangustiora, fructus majores, ovoidei differt, 'GO;Z a ortN e) DuoqotrDllr s/ttdll'rn4 lo od,{totoH t omgld

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Figurc 5. EucLlJptur chortubomahabit from belween Figure6. Bark on lower trunk of EucaLyptuschartabona. Pcnllandand Burra,Queensland.

Selected specimens examinecl. QUEENSLAND (south to north): 8 miles [13 km] SW of Pentland Township,2l June1953, R.A. Perry 3583 (AD, BRI);headwaters of Bett'sCreek, White Mountains NationalPark, W of ChartersTowers, 8 Apr.1992, A.R. Bea, 4255(BRI); nearCroydon on theGulf Developmentalroad, 18"13'17"S, 142'48'07'8, l5 Apr. 1995,D. Nicolle1327 (AD);85 km W of Georgetown,W of GilbertRiver,8Mar. 1990,M.1.H. Brooker 10416 (BRI, CANB, DNA, MEL, NSW); "Mount Surprise",beside Six Mile Rd, c. 2 km from O'Brians Creekcrossing, 8 Apr. 1992, I.G.Champion635 (BRI);MtEliza,8 kmNWofMtSurprise,20Jan.1993,A.R. Bean5499 & P.l.Forster (BRI); StannaryHills Road8 miles[l3 km] S of Mutchilba,3l May 1971,G. Stocker728 (BRI)', 20.4miles [33 km] fromWalsh's River crossing towards Wrotham Park, 27 Jan. 1972, M.l.H. Brooker 3373(BRI); 36 km fromthe Walsh River crossing on theMungana-Wrotham Park road, 7 Feb.1980, J.R.Clarkson 2810 (BRI, CANB, NSW, Mo); 138miles [222 km] SW of Cooktown,171 miles [275km] SEof mouthof MitchellRiver, 19 Arg. 1966,Story 8014 (BRI, CANB, K).

Distributionand h(tbitat,Endemic to Queensland,occurring from dre Croydonarea east to near Einasleighand Mount Gametand north to MaitlandDowns on southernCape York Peninsula (Figure7). Thereis an apparentlydisjunct occurrence to the southin the Bufia-Pentlandarea. Subsequentfield suryeywill determineif thesouthern population is really disjunct or ifit is anartefact of inadequatefield suweyin thearea between the two populations.E chartabomausually occurs on locallyelevated sites in grittysands or gravellysoils. Recorded associated species include CorymDia Ieichhardtii(Bailey) K.D. Hill & L.A.S. Johnson,C ligansK.D. Hill & L.A.S. Johnson(subsp. noyacastrensisK.D. Hill & L.A.S. Johnson),C. pocillum(D.J. Carr & S.G.M.Carr) K.D. Hill & L.A.S.Johnson, C. "serendipita",C. stockeri (D.L Carr& S.G.M.Carr) K.D. Hill & L.A.S.Johnson, Eucalyptuscrebrq F. Muell., E persistensL. Johnson& K. Hill, and E. tetrodontaF. Muell. 'puvlsueeno ', ar owoqouoqt sntdtloxng lo uopnqFtsrq orn8ld

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Notesand affinities. Distinguishedfrom E. miniata by the flaky-papery,paler-coloured rough bark, the nalToweradult leavesand the larger,ovoid fruits. Distinguishedfrom E. SigantqngionL. Johl]son & K. Hill by the flaky-papery,paler-coloured persistentrough bark, the glaucousbranchlets, buds and fruits, the autumr flowering time andtheovoid,ribbedfruits. The main charactersdistinguishing these three speciesare shown in Table l.

A distinctive speciesin the field becauseof its flaky-papery rough bark on the lower trunk (Figure 6), bright orange flowers and massivefruits, which are probably the longest in the genus, possibly equalled only by the fruits of the related E. gigantangion and the unrelatedE pyriformis Turcz. andE. youngicnn F. Muell.

On favourablesites in the wetter,northem part of its range,E miniat& grows lp to 30 metrestall, much larger tha'i'E. chartaboma is known to. On less favourable sites in areasof lower rainfall, E. miniata ls a lower woodland tree and can be indistinguishablein habit from E. chartaboma.

Table 1. Differentiating charactersbetween EucttLJptus minata, E. chartabomaa\d E. gigantangion.

E. minala E. charto,boma E. gigantangion

Distribution tropical WA, NT, centralnorthem Qld ArnhemLand plateau, NT, just cxtcnding into paftpat(ic v,lilh E. miniala Qld Persistentbark fibrous (long fibres), flaky-papery(small fibrous(long fibres), grey-orown ro thin scales),white to grey-brownto rcddish reddish brown yellowishbrown to brown pinkishbrown Adult leaves broad-lanceolateto narrow-lanceolate narrowlanceolateto lanceolate, to lanceolate, lanceolate, 20-40 mm wide 10 24mm wide 14 23mm wide Pruinosity stronglyglaucous stronglyglaucousa absent on branchlets,buds on branchlets,buds and fruits andfruits Flowering period autumn to early wnler aufumn latcwinter to earlyspring Fruit shape cylindrical-ovoid ovoid urccolatcwith a distinct neck Fruit size 30-40 mm long 45-65mm long 45 70mm long l8-28 mm wide 35-45mm wide 30-50mm wide Fruit ribbing prommently [o prominentlyribbed almostsmooth to extremclyribbed weaklyribbed

Acknowledgements

I would like to thank staff at the StateHerbarium of South Australia for support and continuing accessto the herbarium,Neville Marchant and staff at the StateHerbarium of Westem Australia for efficiently and enthusiasticallymaking loan specimensavailable to me and the StateHerbarium of Queenslandforassisting with specimenloans. Thanks also to IanBrooker (CSIRO,Canberra) for many discussionsand conecting the Latin diagnosesand Malcolm French of Perth for his welcomed hosoitalitv and field assistancein Westem Australia. 'I 'uosuqot 'rc'tld ( r.uoqusJ:,qls.Ie^pn puolFN uelplsnv) ,, sd,{pcng eql Jo uollscglssslCV,, (Il,6l) S V T' d'I 'bIt-gLE tQ)L o.dopJ '(eEeTzuKrA)olusap g sn\te8qnsstltdqDJnfl 'uosuqot qX 'sldfpcne plolusopng eql Jo ^\o!^a! Y 8 sld{lBcne oql uI sepnN cWuieN,{S (866I) SV"I T lllH ( eurnoqleld :,{u?dtuoC 'seuol 'lolllg Sqqqlqnd u€Jqp-l) .. uoge^plnc JoJ elqBllns sluekl ualwsnv Jo Epeedolc,buA,, rc86D 1C ? {'i[ ( ?JrequeC iacl^res Sulqsqqnd 'stltiltlozng lueurule^oo uElls4srw) 6l lo^..slsrlsnv Jo BroIJ,, rq oro\iloSuv (886I) wO'olEpueddlqJ ceunoqlel l :sserd slelul) 'Z 'Vq'Srulott 'arF4snv uroqlnos pua ura$e,t-qlnos :lo^ ,,'sd,(Ptnf, ol epln9 plelJ,, (0661) ? H'II{ te{ootg

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