Caladenia dorrienii Domin 1912 SUBGENUS Jonesiopsis Photography by S Clark, I & M Greeve, E Wajon . Image used with the permission of the Western Australian Herbarium, Department of Environment and Conservation ( Accessed on Wednesday, 29 August 2012 and Flora Base Website

Part Shade ColdLATEWinter Spring

Common NameDorrien's Caladenia - The Cossack Spider Orchid

Flower Size .8 to 1.2" [2 to 3 cm]

Found in southwestern Western Australia in shrubs and herbs in wandoo woodlands in well drained soil on slopes near streams at elevations around 150 to 250 meters as a miniature to small sized, cold growing terrestrial with a single, linear, pubescent leaf that blooms in the late winter and spring on an erect, 4 to 8" [10 to 20 cm] long, 1 to 3 flowered inflorescence

Synonyms Caladenia filamentosa var. dorrienii (Domin) A.S.George 1971; Calonema dorrienii (Domin) Szlach. 2001; Calonemorchis dorrienii (Domin) Szlach. 2001; Jonesiopsis dorrienii (Domin) D.L.Jones & M.A.Clem. 2003

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