WANOSCG Orchid Fact Sheet

Pterostylis xerampelina

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Name and Authority

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

Synonyms (previous names)

Oligochaetochilus xerampelinus

Common Name

Eastern Granite Rufous Greenhood

Complex Name

Pterostylis rufa (Rufus Greenhoods)

Originally Described by

David Jones & Christopher French in Australian Orchid Review 81(5): 39-40 (2016) as Oligochaetochilus xerampelinus

Distribution and Habitat

Diemals Station to Norseman, growing in shallow soil pockets on granite outcrops.

Flowering Months

· · · · · · · · Sep Oct Nov ·

Description

An inland species 50–200 mm high with five to 15 leaves forming a ground-hugging basal rosette 30–70 mm across and up to 10 translucent, reddish-brown and white flowers 6–8 mm across.

Distinguishing Features

It is distinguished from the related Dainty Brown Rufous Greenhood (Pterostylis tryphera) by its thicker scape, larger flowers and forwardly curved rather than hanging sepals.

WA Conservation Code (Threatened Status)

Priority One

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