WANOSCG Orchid Fact Sheet

Pterostylis microglossa

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Name and Authority

Pterostylis microglossa D.L.Jones & C.J.French

Synonyms (previous names)

Pterostylis aff. aspera; Pterostylis sp. 'Kalbarri'; Pterostylis sp. 'mid-west coast'; Diplodium microglossum

Common Name

Kalbarri Shell Orchid

Complex Name

Pterostylis aspera (Shell Orchids)

Originally Described by

David Jones & Christopher French in Austral.Orchid Rev. 77(4):41-44, Fig.2 (2012)

Distribution and Habitat

Zuytdorf Cliffs to Jurien Bay, growing in sandy soils in coastal woodlands and shrublands. The species is particularly common in soil pockets in areas of exposed limestone.

Flowering Months

· · · · · Jun Jul · · · · ·

Description

A northern species 50–120 mm high with four to six cauline leaves 10–30 mm long by 3–6 mm wide and one (rarely two) translucent, dull green (more rarely brown) and white flowers 8–10 mm across.

Distinguishing Features

It is distinguished from the related Brown-veined Orchid (Pterostylis aspera) by its smaller flowers and northerly distribution.

WA Conservation Code (Threatened Status)

Not Listed

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