Pterostylis pyramidalis Lindl. 1840 SECTION Linguella
Photos by © Colin and Misha Rowan and Their Retired Aussies Orchid webpage
to 
EARLIER 
Common Name The Conical Pterostylis - In Australia The Tall Snail Orchid
Flower Size .64 to .8" [1.6 to 2 cm]
Found in southwestern Western Australia in coastal winter wet swamps in wet peaty soils at elevations of 5 to 100 meters as a mini-miniature to medium sized cold growing terrestrial orchid with a basal, loose rosette of dull green, stalked leaves scattered up the stem that blooms in the Australian winter and earlier spring with an erect, 4 to 14" [10 to 35 cm] long, single flowered inflorescence.
Synonyms Linguella pyramidalis (Lindl.) D.L.Jones & M.A.Clem. 2002; Pterostylis barbata Endl. in J.G.C.Lehmann 1846; Pterostylis nana var. pyramidalis (Lindl.) Ewart 1911
References W3 Tropicos, Kew Monocot list , IPNI ; AOS Bulletin Vol 26 No 10 1957; AOS Bulletin Vol 38 No 6 1969; Orchids of Australia Nicholls 1969 drawing fide; Native Orchids of Australia Jones 2006 as Linguella pyramidalis photo good
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