Pterostylis sargentii C.R.P. Andrews 1905 SECTION Ranorchis Photo courtesy of Ron Heberle and the Thelymitra Page of The Species Orchid Society of Western Australia

Deep ShadeCoolColdWinter EARLYSpring

Common Name Sargent's Pterostylis [Australian First Collector of Species 1900's] - In Australia The Frog Greenhood

Flower Size .6" [3cm]

Found in south Western Australia at elevations of 50 to 400 meters in sand to woodland and scrub in leaf litter as a miniature sized, cold to cool growing terrestrial orchid with an erect stem carrying a loose, basal rosette of ovate, acute, petiolate base leaves when not blooming and imbricate, narrowly linear, acute, conduplicate leaves all up the stem that blooms in the winter and spring with a single acute, basally clasping, leafless sheath and carrying 6+ narrowly lanceolate, acute, basally clasping leaves and terminally arising on an erect, 2" [5 cm] long, 1 to 6 flowered inflorescence.

Synonyms Oligochaetochilus sargentii (C.R.P. Andrews) Szlach. 2001; Ranorchis sargentii (C.R.P.Andrews) D.L.Jones & M.A.Clem 2002

References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of Australia Riley & Banks 2002 as Ranorchis sargentii photo good;

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