WANOSCG Orchid Fact Sheet

Pterostylis barbata

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Pterostylis barbata

Pterostylis barbata distribution

Pterostylis barbata

Name and Authority

Pterostylis barbata Lindl.

Synonyms (previous names)

Plumatichilos barbata

Common Name

Bird Orchid

Complex Name

Pterostylis barbata/barbata (Bird Orchids)

Originally Described by

John Lindley in Sketch Veg.Swan R. 53 (1840)

Distribution and Habitat

Dandaragan to Albany, growing in sandy, sandy-clay and lateritic soils in forests and woodlands.

Flowering Months

· · · · · · Jul Aug Sep · · ·

Description

An inland species 50–150 mm high with a loose, ascending rosette of leaves 12–35 mm across, two to four cauline leaves and one (rarely two) translucent, brown-marked, green and white flowers 10–13 mm across.

Distinguishing Features

It is distinguished from Dwarf Bird Orchid (Pterostylis galgulus) by its larger flowers and longer dorsal sepal. From the other members of the Pterostylis barbata complex it is distinguished by its shorter dorsal sepal.

WA Conservation Code (Threatened Status)

Not Listed

Web edition hosted at https://keys.lucidcentral.org/keys/v4/wa-orchids/