Caladenia excelsa

Caladenia excelsa Hopper & A.P.Br.

Arachnorchis excelsa; Calonemorchis excelsa

Giant Spider Orchid

Caladenia longicauda (White Spider Orchids)

Stephen Hopper & Andrew Brown in Nuytsia 14:68-71, Figs. 8L-R (2001)

Dunsborough to Witchcliffe, growing in sandy soils in forests and woodlands.

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A large flowered species 450–900 mm high with a hairy leaf 200–350 mm long by 6–12 mm wide and up to three creamy-white to greenish-cream flowers 70–150 mm across. The labellum has a prominent red tip.

It is distinguished from other members of the Caladenia longicauda complex by its very large flowers, often lax dorsal sepal and red tipped labellum.

Threatened (Endangered)