Caladenia sigmoidea R.S.Rogers 1938SUBGENUS Calonema

Inflorescence

Lip Detail Photos by Karl Senghas and The Swiss Orchid Foundation at the Jany Renz Herbaria Website

Part Shade Cold LATEWinterEARLY Spring

Common Name The S Shaped Caladenia [refers to the lip shape ending in a club]- The Sigmoid Spider Orchid

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

Found in southwestern Western Australia in mallee vegetation, granite outcrops and on sheltered slopes of banded ironstone hills at elevations around 100 to 350 meters as a mini-miniature to miniature sized, cold growing terrestrial with a single, linear, pubescent leaf that blooms in the late winter and early spring on an erect, 2 to 6" [5 to 15 cm] long, 1 to 2 flowered inflorescence.

Synonyms Calonema sigmoideum (R.S.Rogers) Szlach. 2001; Calonemorchis sigmoidea (R.S.Rogers) Szlach. 2001; Jonesiopsis sigmoidea (R.S.Rogers) D.L.Jones & M.A.Clem. 2003

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

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