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Article << Previous     |     Next >>   Contents Vol 23(4)

A new classification for subtribe Pterostylidinae (Orchidaceae), reaffirming Pterostylis in the broad sense

Jasmine K. Janes A C, Marco F. Duretto B

A School of Plant Science, University of Tasmania, Private Bag 55, Hobart, Tas. 7001, Australia.
B Tasmanian Herbarium, Tasmanian Museum and Art Gallery, Private Bag 4, Hobart, Tas. 7001, Australia.
C Corresponding author. Email: jkjanes@utas.edu.au
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A new classification for subtribe Pterostylidinae (Orchidaceae) is formally described in which there is one genus, Pterostylis R.Br., two subgenera and 10 sections. Five new combinations are made for this classification at the ranks of subgenus and section, viz. Pt. subg. Oligochaetochilus (Szlach.) Janes & Duretto, Pt. sect. Parviflorae (Benth.) Janes & Duretto, Pt. sect. Pharochilum (D.L.Jones & M.A.Clem.) Janes & Duretto, Pt. sect. Stamnorchis (D.L.Jones & M.A.Clem.) Janes & Duretto and Pt. sect. Urochilus (D.L.Jones & M.A.Clem.) Janes & Duretto. Pt. ser. Parviflorae Benth. is lectotypified. To complete the revision, seven new species-level combinations are made for two species from Western Australia, one from New South Wales and four from Queensland, viz. Pt. anaclasta (D.L.Jones) Janes & Duretto, Pt. extranea (D.L.Jones) Janes & Duretto, Pt. pearsonii (D.L.Jones) Janes & Duretto, Pt. pedina (D.L.Jones) Janes & Duretto, Pt. sinuata (D.L.Jones) Janes & Duretto, Pt. timothyi (D.L.Jones) Janes & Duretto and Pt. thulia (D.L.Jones) Janes & Duretto.

Keywords: greenhoods, orchids, Pterostylidinae, Pterostylis, systematics, taxonomy.

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