Caladenia rigida R.S.Rogers 1930 SUBGENUS Arachnorchis

Lip Detail Photos by Colin and Mischa Rowan and their Retired Aussies Website

Part Shade Cold LATER Winter Spring

Common Name The Rigid Caladenia - The Stiff Spider Orchid

Flower Size 1.6 to 2.4" [4 to 6 cm]

Found in South Australia in dense coastal scrub on stabilized dunes at elevations of 350 to 400 meters as a small sized, cold growing terrestrial with a single, linear, pubescent leaf and blooms in the later winter and spring on an erect, 6 to 12" [15 to 30 cm] long, 1 to 2 flowered inflorescence.

Synonyms Arachnorchis rigida (R.S.Rogers) D.L.Jones & M.A.Clem. 2001; Caladenia huegelii var. rigida (R.S.Rogers) J.Z.Weber & R.J.Bates in J.M.Black 1978; Calonema rigidum (R.S.Rogers) Szlach. 2001; Calonemorchis rigida (R.S.Rogers) Szlach. 2001; Styloglossum rigidum ( Carr ) T.Yukawa & P.J.Cribb 2014

References W3 Tropicos, Kew Monocot list , IPNI ; Native Orchids of Australia Jones 2006 as Arachnorchis rigida photo good;