Dryandra ser. Plumosae is an obsolete series within the former genus Dryandra (now Banksia ser. Dryandra). It was published by Alex George in 1996, but discarded in 2007 when Austin Mast and Kevin Thiele sank Dryandra into Banksia.
Publication
George published the series in his 1996 "New taxa and a new infrageneric classification in Dryandra R.Br.", naming it after the type species, D. plumosa (now Banksia plumosa). It was defined as containing three species, D. plumosa, D. pseudoplumosa (now B. pseudoplumosa) and D. montana (now B. montana. All three species are dense bushy shrubs, without a lignotuber; and all have long hairs on the stems and about the flower heads. In addition, all three are restricted to western parts of the Esperance Plains region of Western Australia, between the Stirling Range and the Fitzgerald River region.[1][2]
George's placement and circumscription of D. ser. Plumosae, as amended in his 1999 treatment of Dryandra for the Flora of Australia series,[3] and in 2005,[4] may be summarised as follows:
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Dryandra (now Banksia ser. Dryandra)
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D. subg. Dryandra
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D. ser. Floribundae (1 species, 4 varieties)
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D. ser. Armatae (21 species, 7 subspecies, 4 varieties)
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D. ser. Marginatae (1 species)
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D. ser. Folliculosae (1 species, 5 varieties)
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D. ser. Acrodontae (4 species, 2 varieties)
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D. ser. Capitellatae (2 species, 2 subspecies)
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D. ser. Ilicinae (3 species, 2 varieties)
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D. ser. Dryandra (3 species, 2 subspecies)
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D. ser. Foliosae (3 species, 2 subspecies)
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D. ser. Decurrentes (1 species)
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D. ser. Tenuifoliae (2 species, 2 varieties)
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D. ser. Runcinatae (4 species, 7 subspecies)
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D. ser. Triangulares (3 species, 3 subspecies)
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D. ser. Aphragma (9 species, 3 subspecies)
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D. ser. Ionthocarpae (1 species, 2 subspecies)
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D. ser. Inusitatae (1 species)
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D. ser. Subulatae (1 species)
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D. ser. Gymnocephalae (11 species, 4 subspecies, 2 varieties)
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D. ser. Plumosae
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D. plumosa (now Banksia plumosa)
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D. plumosa subsp. plumosa (now Banksia plumosa subsp. plumosa)
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D. plumosa subsp. denticulata (now Banksia plumosa subsp. denticulata)
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D. pseudoplumosa (now Banksia pseudoplumosa)
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D. montana (now Banksia montana)
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D. ser. Concinnae (3 species)
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D. ser. Obvallatae (7 species, 2 varieties)
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D. ser. Pectinatae (1 species)
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D. ser. Acuminatae (1 species)
- D. ser. Niveae
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D. subg. Hemiclidia (2 species)
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D. subg. Diplophragma (1 species)
Abandonment
Since 1998, Austin Mast has been publishing results of ongoing cladistic analyses of DNA sequence data for the subtribe Banksiinae. His analyses have provided compelling evidence of the paraphyly of Banksia with respect to Dryandra; that is, it seems that Dryandra arose from within the ranks of Banksia.[5][6][7] Early in 2007, Mast and Kevin Thiele initiated a rearrangement of Banksia by sinking Dryandra into it as B. ser. Dryandra. This transfer necessitated the setting aside of George's infrageneric arrangement of Dryandra; thus D. ser. Plumosae is no longer current. Mast and Thiele have foreshadowed publishing a full arrangement once DNA sampling of Dryandra is complete.[8]
References
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^ George, Alex (1996). "New taxa and a new infrageneric classification in Dryandra R.Br. (Proteaceae: Grevilleoideae)". Nuytsia. 10 (3): 313–408. doi:10.58828/nuy00235. S2CID 92008567.
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^ Cavanagh, Tony; Pieroni, Margaret (2006). The Dryandras. Melbourne: Australian Plants Society (SGAP Victoria); Perth: Wildflower Society of Western Australia. ISBN 1-876473-54-1.
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^ George, Alex S. (1999). "Dryandra". In Wilson, Annette (ed.). Flora of Australia. Vol. 17B. Collingwood, Victoria: CSIRO Publishing / Australian Biological Resources Study. ISBN 0-643-06454-0.
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^ George, A. S. (2005). "Further new taxa in Dryandra R.Br. (Proteaceae: Grevilleoideae)" (PDF). Nuytsia. 15 (3): 337–346. doi:10.58828/nuy00403. S2CID 85921580. Archived from the original (PDF) on 27 November 2015. Retrieved 22 March 2009.
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^ Mast, Austin R. (1998). "Molecular systematics of subtribe Banksiinae (Banksia and Dryandra; Proteaceae) based on cpDNA and nrDNA sequence data: implications for taxonomy and biogeography". Australian Systematic Botany. 11 (4): 321–342. doi:10.1071/SB97026.
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^ Mast, Austin R.; Givnish, Thomas J. (2002). "Historical biogeography and the origin of stomatal distributions in Banksia and Dryandra (Proteaceae) based on Their cpDNA phylogeny". American Journal of Botany. 89 (8): 1311–1323. doi:10.3732/ajb.89.8.1311. PMID 21665734.
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^ Mast, Austin R., Eric H. Jones and Shawn P. Havery (2005). "An assessment of old and new DNA sequence evidence for the paraphyly of Banksia with respect to Dryandra (Proteaceae)". Australian Systematic Botany. CSIRO Publishing / Australian Systematic Botany Society. 18 (1): 75–88. doi:10.1071/SB04015.
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^ Mast, Austin R.; Thiele, Kevin (2007). "The transfer of Dryandra R.Br. to Banksia L.f. (Proteaceae)". Australian Systematic Botany. 20: 63–71. doi:10.1071/SB06016.
