WANOSCG Orchid Fact Sheet

Pterostylis frenchii

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Name and Authority

Pterostylis frenchii (D.L.Jones) A.P.Br.

Synonyms (previous names)

Pterostylis aff. Picta; Pterostylis sp. Yalgorup; Oligochaetochilus sp. Yalgorup; Oligochaetochilus frenchii

Common Name

Tuart Rufous Greenhood

Complex Name

Pterostylis rufa (Rufus Greenhoods)

Originally Described by

David Jones in The Orchadian 14(10): 444-446 (2004) as Oligochaetochilus frenchii

Distribution and Habitat

Perth to Busselton, growing in sandy soil in near coastal woodlands and shrublands.

Flowering Months

· · · · · · · · · Oct Nov Dec

Description

A late flowering, near coastal species 100–200 mm high with six to 10 leaves forming a ground-hugging basal rosette 30–40 mm across and up to 12 translucent, green and white or brown and white flowers 6–8 mm across.

Distinguishing Features

It is distinguished from Painted Rufous Greenhood (Pterostylis picta) by its shorter stature, generally later flowering period and westerly distribution.

WA Conservation Code (Threatened Status)

Priority Two

Notes

Named in honour of WA Native Orchid Study and Conservation Group member(s): Christopher French

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