Caladenia caesarea subsp. caesarea

Caladenia caesarea (Domin) M.A.Clem. & Hopper subsp. caesarea

Caladenia filamentosa var. caesarea; Calonemorchis caesarea; Jonesiopsis caesarea subsp. caesarea

Mustard Orchid

Caladenia filamentosa (Wispy Spider Orchids)

Karel Domin in Journal of the Linnean Society, Botany 41: 251 (1912) as Caladenia filamentosa var. caesarea

Stirling Range to Bridgetown, growing in sandy-clay and lateritic soils in open woodlands and shrublands.

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A distinctive subspecies 200–400 mm high with a hairy leaf 120–180 mm long by 2–4 mm wide and up to three mustard-yellow flowers 60–80 mm across.

It is distinguished from the other subspecies by its larger flowers and usually later flowering period.

Not Listed