Caladenia longicauda subsp. rigidula Hopper & A.P.Br. 2001SUBGENUS Calonemorchis Photography by Hopper and Hancock. Image used with the permission of the Western Australian Herbarium, Department of Environment and Conservation (http://florabase.dec.wa.gov.au/help/copyright). Accessed on Thursday, 30 August 2012 and The Flora Base Website

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Common Name The Rigid Caladenia - The Island White Spider Orchid

Flower Size .42 to 4" [6 to 10 cm]

This terrestrial species is from southwest Western Australia at elevations of 50 to 100 meters in shrublands and Mallee vegetaion near granite outcrops and at the margins of salt lakes near the sea and is a form variation of the type species. Differs from the norm in the smaller flower, stiffly spreading sepals and petals as well as a relatively small column.

Synonyms Arachnorchis longicauda subsp. redacta (Hopper & A.P.Br.) D.L.Jones & M.A.Clem.2002

References W3 Tropicos, Kew Monocot list , IPNI ; Native Orchids of Australia Jones 2006 as Arachnorchis longicauda subsp. rigidula photo good;

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