WANOSCG Orchid Fact Sheet

Caladenia exstans

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Name and Authority

Caladenia exstans Hopper & A.P.Br.

Synonyms (previous names)

Arachnorchis exstans; Phlebochilus exstans

Common Name

Pointing Spider Orchid

Complex Name

Caladenia falcata (Green Spider Orchids)

Originally Described by

Stephen Hopper & Andrew Brown in Nuytsia 14:71,72, Figs. 8S-Y (2001)

Distribution and Habitat

Esperance to israelite Bay, growing in sandy, sandy-clay and granitic soils in woodlands and shrublands.

Flowering Months

· · · · · · · · Sep Oct Nov ·

Description

A geographically restricted species 200–450 mm high with a hairy leaf 50–200 mm long by 4–6 mm wide and up to two green, yellow and red flowers 30–50 mm across.

Distinguishing Features

It is distinguished from the related Smooth-lipped Spider Orchid (Caladenia integra) by its smaller flowers, smaller labellum with calli extending well onto the dark purple apex and easterly distribution.

WA Conservation Code (Threatened Status)

Not Listed

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