WANOSCG Orchid Fact Sheet

Pterostylis precatoria

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Name and Authority

Pterostylis precatoria (D.L.Jones, C.J.French & M.A.Clem.) D.L.Jones & C.J.French

Synonyms (previous names)

Pterostylis sp. 'Mehinup'; Plumatichilos precatorius

Common Name

Mehinup Bird Orchid

Complex Name

Pterostylis barbata/barbata (Bird Orchids)

Originally Described by

(David Jones, Christopher French & Mark Clements in Australian Orchid Review 82(5): 31-33, Fig. 2 (2017) as Plumatichilos precatorius

Distribution and Habitat

Denmark to Walpole, growing in shallow soil pockets on granite outcrops.

Flowering Months

· · · · · · · Aug Sep · · ·

Description

An uncommon species 200–300 mm high with a loose, ascending rosette of leaves 16–40 mm across, two to six cauline leaves and one (rarely two) translucent, brown-marked, green and white flowers 10–12 mm across.

Distinguishing Features

It is distinguished from the related Bird Orchid (Pterostylis barbata) by its larger flowers, longer dorsal sepal, longer lateral sepals which spread out laterally and longer hairs on the labellum.

WA Conservation Code (Threatened Status)

Not Listed

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