WANOSCG Orchid Fact Sheet

Pterostylis sanguinea

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Name and Authority

Pterostylis sanguinea D.L.Jones & M.A.Clem.

Synonyms (previous names)

Oligochaetochilus sanguineus; Urochilus sanguineus

Common Name

Dark Banded Greenhood

Complex Name

Pterostylis vittata (Banded Greenhoods)

Originally Described by

David Jones & Mark Clements in Austral.Orchid Res. 1:126-127 (1989)

Distribution and Habitat

Moora to Munglinup, growing in sandy, sandy-clay and lateritic soils in forests, woodlands and shrublands. The species is also found in South Australia, Victoria and Tasmania.

Flowering Months

· · · · · Jun Jul Aug Sep · · ·

Description

A common species 50–400 mm high with three to 12 cauline leaves 20–40 mm long by 4–7 mm wide and up to 10 fleshy, semi translucent, reddish-brown (more rarely green) and white flowers 12–18 mm across. The type form of Pterostylis sanguinea most closely matches Crowded Banded Greenhood (P. atrosanguinea) in Western Australia and what we have been calling P. sanguinea may be an undescribed species.

Distinguishing Features

It is distinguished from the closely related Crowded Banded Greenhood (Pterostylis atrosanguinea) by its variably coloured reddish-brown or green, smaller, usually more widely spaced flowers.

WA Conservation Code (Threatened Status)

Not Listed

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