Caladenia evanescens Hopper & A.P.Br. 2001 SUBGENUS Jonesiopsis Photography by A. P. Brown . 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 Cold Spring

Common Name The Evanescent Caladenia [refers to the withered leaf at blooming] - The Semaphore Spider Orchid

Flower Size 1.6" [4 cm]

Found in southwestern Western Australia in poorly known locals but is found after summer fires at elevations around 5 to 50 meters as a small to medium sized, cold growing terrestrial with a single, linear, pubescent leaf that blooms in the spring on an erect, 8 to 14" [20 to 35 cm] long, single flowered inflorescence

Synonyms Calonema evanescens (Hopper & A.P.Br.) D.L.Jones & M.A.Clem. 2002; Calonemorchis evanescens (Hopper & A.P.Br.) D.L.Jones & M.A.Clem. 2002; Jonesiopsis evanescens (Hopper & A.P.Br.) D.L.Jones & M.A.Clem. 2003

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