- Bentham's taxonomic arrangement of Dryandra
George Bentham 's taxonomic arrangement of "Dryandra" (now "B." ser. "Dryandra") was published in 1870, in Volume 5 of Bentham's "Flora Australiensis ".cite encyclopedia | author = Bentham, George | year = 1870 | title = Dryandra | encyclopedia =Flora Australiensis | volume = Volume 5: Myoporineae to Proteaceae | pages = 562–584 | location = London | publisher = L. Reeve & Co.] It replaced the 1856 arrangement ofCarl Meissner , and stood for over a century before being replaced by the 1996 arrangement ofAlex George .Background
The dryandras are a group of proteaceous shrubs endemic to southwest
Western Australia . For nearly two hundred years they were considered a separate genus, having been published at that rank in 1810 by Robert Brown. In 2007 it was transferred into the genus "Banksia" as "B." ser. "Dryandra". There are now just under 100 species, plus numerous subspecies and varieties.The first infrageneric arrangement of "Dryandra" was Brown's 1810 arrangement, which listed 13 species, but did not attempt an infrageneric classification.cite book | last = Brown | first = Robert | authorlink = Robert Brown (botanist) | year = 1810 | title =
Prodromus Florae Novae Hollandiae et Insulae Van Diemen | location = London | publisher = Taylor] Twenty years later, Brown published a revised arrangement which divided 23 recognised species in three subgenera, and placed one further species in a separate genus "Hemiclidia".cite book | author = Brown, Robert | year = 1830 | title =Supplementum Primum Prodromi Florae Novae Hollandiae | pages = 37–40 | publisher = Taylor | location = London] This was followed by the 1856 arrangement ofCarl Meissner , which recognised 53 species and six varieties, dividing them into three sections and eight series, and maintaining the monospecific genus "Hemiclidia".cite encyclopedia | editor = de Candolle, A. P. | year = 1856 | encyclopedia =Prodromus systematis naturalis regni vegetabilis | volume = XIV | author = Meissner, Carl | title = XLIV. Dryandra | pages = 467–481 | location = Paris | publisher = Sumptibus Sociorum Treuttel et Wurtz] cite encyclopedia | editor = de Candolle, A. P. | year = 1856 | encyclopedia =Prodromus systematis naturalis regni vegetabilis | volume = XIV | author = Meissner, Carl | title = XLV. Hemiclidia | pages = 481–482 | location = Paris | publisher = Sumptibus Sociorum Treuttel et Wurtz]Bentham's arrangement
Bentham's arrangement was published in 1870, in Volume V of "
Flora Australiensis ". He reduced the number of species to 47, and the number of varieties to two, proposing an arrangement consisting of two sections and seven series. "Hemiclidia" was transferred back into "Dryandra".George Bentham's 1870 taxonomic arrangement of "Dryandra" may be summarised as follows::Genus "Dryandra" (now "Banksia" ser. "Dryandra")::Section "Eudryandra":::Series "Armatæ"::::"D. quercifolia" (now "B. heliantha")::::"D. praemorsa" (now "B. undata")::::"D. cuneata" (now "B. obovata")::::"D. falcata" (now "B. falcata")::::"D. armata" (now "B. armata")::::"D. longifolia" (now "B. prolata")::::"D. Fraseri" (now "B. fraseri"):::Series "Floribundæ"::::"D. floribunda" (now "B. sessilis" var. "sessilis"):::::"D. floribunda" var. "major" (now "B. sessilis" var. "cordata")::::"D. carduacea" (now "B. squarrosa" subsp. "squarrosa")::::"D. carlinoides" (now "B. carlinoides")::::"D. polycephala" (now "B. polycephala")::::"D. Kippistiana" (now "B. kippistiana"):::Series "Concinnæ"::::"D. squarrosa" (now "B. squarrosa")::::"D. serra" (now "B. serra")::::"D. concinna" (now "B. concinna")::::"D. foliolata" (now "B. foliolata"):::Series "Formosæ"::::"D. stupposa" (now "B. stuposa")::::"D. nobilis" (now "B. nobilis")::::"D. mucronulata" (now "B. mucronulata")::::"D. formosa" (now "B. formosa")::::"D. Baxteri" (now "B. biterax"):::Series "Niveæ"::::"D. nivea" (now "B. nivea")::::"D. arctotidis" (now "B. arctotidis"):::::"D. arctotidis" var. "tortifolia" (now "B. tortifolia")::::"D. nana" (now "B. nana")::::"D. Preissii" (now "B. acuminata"):::Series "Obvallatæ"::::"D. sclerophylla" (now "B. sclerophylla")::::"D. pulchella" (now "B. bella")::::"D. plumosa" (now "B. plumosa")::::"D. seneciifolia" (now "B. seneciifolia")::::"D. vestita" (now "B. vestita")::::"D. cirsioides" (now "B. cirsioides")::::"D. Hewardiana" (now "B. hewardiana")::::"D. patens" (now "B. hewardiana")::::"D. conferta" (now "B. densa")::::"D. horrida" (now "B. horrida")::::"D. serratuloides" (now "B. serratuloides")::::"D. comosa" (now "B. comosa"):::Series "Gymnocephalæ"::::"D. Shuttleworthiana" (now "B. shuttleworthiana")::::"D. speciosa" (now "B. splendida")::::"D. tridentata" (now "B. tridentata")::Section "Aphragma"::::"D. tenuifolia" (now "B. tenuis")::::"D. proteoides" (now "B. proteoides"):::::"D. proteoides" var. "ferruginea" (now "B. rufa"::::"D. runcinata" (now "B. r." subsp. "rufa")::::"D. obtusa" (now "B. obtusa")::::"D. bipinnatifida" (now "B. bipinnatifida")::::"D. pteridifolia" (now "B. pteridifolia")::::"D. calophylla" (now "B. calophylla")
Legacy
Bentham's arrangement remained the accepted arrangement of "Dryandra" 126 years. It was finally replaced in 1996 by a new arrangement published by
Alex George . George's arrangement retained a number of Bentham's infrageneric taxa.cite journal | author = George, Alex S. | year = 1996 | title = New taxa and a new infragenetic classification in Dryandra R.Br. (Proteaceae: Grevilleoideae) | journal = Nuytsia | volume = 10 | issue = 3 | pages = 313–408]In 2007,
Austin Mast andKevin Thiele transferred "Dryandra" into "Banksia", on the grounds that "Banksia" was paraphyletic with respect to "Dryandra". Mast and Thiele were not yet ready to proffer an arrangement for the new circumscription of "Banksia", so as an interim measure they transferred "Dryandra" at series rank, so as to minimise disruption to the nomenclature. Thus the infrageneric arrangement of "Dryandra" has been set aside, at least temporarily, and hence none of Bentham's infrageneric taxa are in current use.cite journal | author = Mast, A. R. andKevin Thiele | year = 2007 | title = The transfer of Dryandra R.Br. to Banksia L.f. (Proteaceae) | journal =Australian Systematic Botany | volume = 20 | pages = 63–71 | doi = 10.1071/SB06016]References
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