Calochilus pruinosus

Calochilus pruinosus D.L.Jones

Calochilus aff. campestris

Mallee Beard Orchid

David Jones in Austral.Orchid Res. 5:67-68 (2006)

Ravensthorpe to Eyre with an old record south of the Stirling Ranges, growing in deep sandy soils in coastal woodlands. There is an old record from south of the Stirling Range. However it has not been seen there for some years. The species is also found in South Australia.

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A rare species 120–200 mm high with a smooth leaf 10–150 mm long by 8–10 mm wide (when present) and up to 15 dull green, yellow and red-purple flowers 9–11 mm across. It often (but not always) lacks a fully developed leaf.

It is distinguished from other south-west Western Australian Beard Orchids by its smaller flowers. shorter labellum (beard) and easterly distribution.

Threatened (Critically Endangered)