WANOSCG Orchid Fact Sheet

Pterostylis spathulata

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Name and Authority

Pterostylis spathulata M.A.Clem.

Synonyms (previous names)

Pterostylis sp. 'straight tops'; Oligochaetochilus spathulatus

Common Name

Spoon-lipped Rufous Greenhood

Complex Name

Pterostylis rufa (Rufus Greenhoods)

Originally Described by

Mark Clements in Austral.Orchid Res. 1:127 (1989)

Distribution and Habitat

Murchison River to Munglinup, growing in sandy-clay and clay soils in woodlands and shrublands and in shallow soil pockets on inland granite outcrops.

Flowering Months

· · · · · · · · Sep Oct · ·

Description

An common species 200–300 mm high with seven to 10 leaves forming a ground-hugging basal rosette 50–60 mm across and up to 10 translucent, green and white to greenish-brown and white flowers 12–14 mm across.

Distinguishing Features

It is distinguished from the related Salt Lake Rufous Greenhood (Pterostylis eremaea) by its less prominently nodding flowers and non-striped labellum with fewer marginal hairs. From the similar Large-hooded Rufous Greenhood (Pterostylis macrocalymma) it is distinguished by its taller stature and smaller flowers.

WA Conservation Code (Threatened Status)

Not Listed

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