WANOSCG Orchid Fact Sheet

Pterostylis allantoidea

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Name and Authority

Pterostylis allantoidea R.S.Rogers

Synonyms (previous names)

Eremorchis allantoidea; Diplodium allantoideum

Common Name

Shy Greenhood

Complex Name

Pterostylis 'other'

Originally Described by

Richard Rogers in Trans.Roy.Soc.South Australia 64:139 (1940)

Distribution and Habitat

Ravensthorpe to Balladonia, growing in sandy-clay and clay soils in woodlands and shrublands. The species is particularly common in shallow soil pockets on inland granite outcrops.

Flowering Months

· · · · · · · Aug Sep · · ·

Description

An inland species 80–100 mm (rarely to 170 mm) high with a basal rosette of leaves 30–40 mm across, one or two cauline leaves and one (rarely two) small, nodding, dark green or dark brown and white flowers 5–8 mm across. Flowers are green when they first open but turn dark brown as they mature.

Distinguishing Features

It is distinguished from members of the related Pterostylis nana complex by its fleshy labellum.

WA Conservation Code (Threatened Status)

Not Listed

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