Pterostylis aspera D.L. Jones & M.A. Clem. 1989 SECTION Diplodium Photo By Beth Kin and her Flickr Orchid Photo Website

Another Flower Photo courtesy of Ron Heberle and the Thelymitra Page of The Species Orchid Society of Western Australia

Common Name The Rough Pterostylis - In Australia The Rough Shell Orchid

Flower Size 3/4 to 1.2" [2.2 to 3 cm]

Found in Western Australia at elevation of sea level to 300 meters in dense inland heathy forests, woodlands and shrubland as a miniature to small sized, cold to cool growing terrestrial orchid with a basasl rosette of bluish green, flat leaves that blooms in the fall and winter on an erect, 3.6" to 6.8" [9 to 17 cm] long, single flowered inflorescence.

Synonyms Diplodium asperum ( D.L.Jones & M.A.Clem. ) D.L.Jones & M.A.Clem. 2002

References W3 Tropicos, Kew Monocot list , IPNI ; Native Orchids of Australia Jones 2006 as Diplodium asperum photo fide