WANOSCG Orchid Fact Sheet

Pterostylis atrosanguinea

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Name and Authority

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

Synonyms (previous names)

Pterostylis sp. 'crowded'; Urochilus atrosanguineus

Common Name

Crowded Banded Greenhood

Complex Name

Pterostylis vittata (Banded Greenhoods)

Originally Described by

David Jones & Christopher French in Australian Orchid Review 82(3): 49-51, Fig. 1 (2017) as Urochilus atrosanguineus

Distribution and Habitat

Toodyay to Bunbury and eastwards to Kellerberrin, growing in sandy and sandy-clay soils in forests, woodlands and shrublands.

Flowering Months

· · · · · · Jul Aug Sep · · ·

Description

A robust species 200–400 mm high with 10 to 20 cauline leaves 40–60 mm long by 4–14 mm wide and up to 20 semi translucent, dark reddish-brown and white flowers 14–20 mm across.

Distinguishing Features

It is distinguished from the related Dark Banded Greenhood (Pterostylis sanguinea) by its more robust appearance and larger, more numerous, darker coloured flowers.

WA Conservation Code (Threatened Status)

Not Listed

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