A Revision of Western Australian Thymelaeaceae
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Calyptrostegin 175 ll. P. ammocharis 175 12.P. grcniticola 177 13.P. imbricata 178 14.P. subvillifera 185 15.P. villifera 187 16.P. erecta 189 17.P. sylvestris 190 18.P. calcicob 193 19.P. longifora 194 20. P. preissii 197 2l. P. angustifolin 199 22. P. floribunda 201 23.P. sulphurea 203 24. P. pendens 205 25.P. aeruginosa 208 26. P. cracens 209 27. P. tinctoria 212 28. P. suaveolens 214 29.P. drummondii 219 secl.5. Macrostegia 222 30. P. physodes 222 sect.6. Stipostachys 224 31. P. hohoydii 226 sect.7 . Heterolaena 227 32.P. lehmanniana 228 33. P sessi/rs 34.P. rara 234 35. P. spectabilis 236 36.P. Iercantha 238 3'1. P. avonensis 239 38. P. brevistyla 240 39.P. ciliata 244 40. P. rosea 248 41.P. ferruginea 251 42.P. hispida z) 1. 43. P. Ianata 253 44.P. brevifolia 255 45.P. brachyphylla 259 2. Thecanthes 262 1. T. conueta zoz 2. T. punicea 264 3. T. sanguinea 267 Discussion 269 Generaand Sections 269 Phylogeny 270 FutureStudies 270 NominaNuda probablyapplied to WesternAustralian Taxa 271 NominaDubia 271 'sttlzoiwoqJ puz 'stqrolsttow 'aSollDdg'ouaqo ,{qd 'ouaqoJalaH porueuEuroq sdno$ Suureuloraql puesaqiuoJaqJ'oat olurt\ds se,r\uorlc'Js tsJ$ s,u,norgleql ldecxa(0181) u^\org,{q ua^6 suorpesaql qll,r papuodsolocsdnoJE sseqJ IUBJ perycadsun sdnoJSJueua8E4ur xrs posruEocalpu" oapruH qlJ1(saqluo1aqJ pe:.JlqwoJeJ ;o 'snuet (rt8l) reqcqpug ,rou eq1ol ralaa..rdlopun poqursopuooq ^lsnor^erd p?q l"ql salcods o,{rlperaJsu€rl pue saqiuoJaqJsnua8 eql poquosep(818 1) ruorts{r^\ Jal?'I uortJosqc?o 'EX?tJo uorlducsop € 3ur^r8pu? suorlrospeu?uun lnq psrequnu oArJur uaql SurcEId Jauq'sonods tt posruSoJeleH uellellsnv Jo tuorulBol lBquBtsqnslsrrJ oqt paqsrtqnd(0l gl) uaojg 'olotlsotd '88/l g selc?d:spuBI?aZ ,rr{aN aql uo pesBq ut porx€usp^^ rJUtroBC xo IoS? s{uBg Dapwld Duuassodsnuo8 ol?u[u?]s-lq3re ,{ ?ur8uoaql urqll,r Erl"rlsnv pue pueleoz,rsN uro4 o?ocBeBlouqJ al?Uuxsls'o.rleqlJo uorsnlcuroql poldeJcEsJoqlnE,ral fJeA'ro^e,roH '(66 :0t61) en3?rds^q pe^rosuorfll8urJoJ sE,aA tl pu? 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No. 2 (1988) Three new genera,Gymnococca Fischer & C. Meyer, HeterolaenaFischer & C. Meyer and Cal)ptrostegiaC. Meyer.which togetheraccounted for a largemajority of the species previouslyp\aced, in Pimelea,were named in two publicationsof 1845.These and a few later publications resulted in numerous recombinations,particularly in the large genus Calyptrostegia.Infrageneric groups, still ol unspecifiedrank, were recognised by Meyet (1845) under the generaGymnococca and Calyptrostegia.In the latter genushe includedtwo of Endlicher'sgrotps, Malistachys and Epallage. Presumably the new genusllererolaena was alsomeant to conespondwith Endlicher'sinfrageneric group Heterolaena. However, Fischer andMeyer (1845) did not acknowledgeEndlicher and the only specieslisted, -&znelea specmbilis lasHeterolaena spectarllls), had not beennamed at the time Endlicherlisted his speciesunder the inftagenericgrotp Heterolaena.Hence the genusand inlragenericgroup of the same nameare regardedas having different types. Another new genus,Macrostegia, was describedby Turczaninow(1852). It consistedof the singlespecies M. erubescens,which had shortly beforebeen named Pimelea physodes Hook. Although P physodesis a very distinctivespecies, Macrosteglo was neither accepted as a separategenus nor usedas an infragenericcategory by any later authors. A revisedclassification by Endlicher(1848) retained Glmnococca and Calyptrostegiaas separategenera. However, Heterolaeno Endl. and Phyllolaenawere treatedas groupsol unspecifiedrank underhmelea whtle Thecanthesand Choristachyswere treatedas groups uji'derCalyptrostegio bLrl with Choristachy,sat a higher level than Thecanthes.Meissner (1857) recognisedonly.Prmelea al lhe genericleveland listedthree sections, Thecanthes, Eupimelea andGymnococca. Under sect.Eupimeled he listedeight groups of unspecifiedrank, consisting of the lastfive of Endlicher'soriginal groups and threegroups of his own. Subsequentauthors have followed Meissner in recognisingPlnelea as the only genusin thiscomplex. However, Kuntze (1891), who consideredthat theolder name Ba.'lksra should be usedrather than Pimelea,published recombinations for mostof the then known species of Pimeleafollowed by a new classificationof infragenericgroups under Banksia (Kuntze 1903).This clasificationwas essentially the sameas that givenby Bentham(1873). Bentham's classi{icationis comparedin Table 1 with the more recentclassifications provided by Gilg (l 894)and Threlfall (1983).Gilgk classificationdiffered from Bentham'sin that Thecanthes wasrecognised as a subgenusrather than a section.The treatrnentol Thecanthesas a subgenus wasfollowed by Domke (1934)in his monographof the Thymelaeaceaeand by Ding Hou (l 960)in Flora Malesianabut not by Threlfall(1983) in her revisionof the speciesoccurring in four Australianstates. Threlfall followed Bentham's classification except that sheregarded oneol Bentham'ssubsections under Calyptrostegia as a separatesection while not recognising the other two subsections. Nomenclatureat the specificand varietal\evels rn Pimeleahas beencomplicated by the publicationof many new namesbased on cultivatedmaterial. Cultivation ol Pimeleaspectes in Europeappean to havecommenced in 1793with the easternAustralian species Pimelea lini,folia.By 1860,about 20 specieshad beencultivated, including the following Western Australianspecies: P rosea,P. ferruginea, P. clavata,P. sylvestris,P. hispida,P. IongiJlora, P. lanata,P. imbricata,P. spectabilisand probablyP. floribunda. In most casesdried specimens werenot referredto when new nameswere published for cultivatedplants and often there wasalso no illustrationavailable to nominateas type.Most of thesenames are regarded here as nominadubia.