WANOSCG Orchid Fact Sheet

Pterostylis eremaea

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Name and Authority

Pterostylis eremaea (D.L.Jones & C.J.French) D.L.Jones & C.J.French

Synonyms (previous names)

Oligochaetochilus eremaeus

Common Name

Salt Lake Rufous Greehood

Complex Name

Pterostylis rufa (Rufus Greenhoods)

Originally Described by

David Jones & Christopher French in Australian Orchid Review 81(5): 27-29, Fig. 1 (2016) as Oligochaetochilus eremaeus

Distribution and Habitat

Coorow to Koorda with a disjunct population north of Jilakin Lake, growing in sandy and sandy-clay soils in woodlands and shrublands surrounding inland salt lakes.

Flowering Months

· · · · · · · · Sep Oct · ·

Description

A common species 200–450 mm high with eight to 14 leaves forming a ground-hugging basal rosette 30–76 mm across and up to eight translucent, reddish-brown and white flowers 11–13 mm across.

Distinguishing Features

It is distinguished from Spoon-lipped Rufous Greenhood (Pterostylis spathulata) by its prominently nodding flowers and striped labellum with more numerous marginal hairs.

WA Conservation Code (Threatened Status)

Not Listed

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