WANOSCG Orchid Fact Sheet

Pterostylis insectifera

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Name and Authority

Pterostylis insectifera M.A.Clem.

Synonyms (previous names)

Pterostylis insectifera; Oligochaetochilus insectifer; Oligochaetochilus insectifera

Common Name

Insect-lipped Rufous Greenhood

Complex Name

Pterostylis rufa (Rufus Greenhoods)

Originally Described by

Mark Clements in Austral.Orchid Res. 1:123 (1989)

Distribution and Habitat

Rothsay to Balladonia, growing in. sandy-clay and clay soils in woodlands, shrublands and shallow soil pockets on granite outcrops and rocky hills.

Flowering Months

· · · · · · · · Sep Oct Nov ·

Description

A distinctive species 200–300 mm high with seven to 10 leaves forming a ground-hugging basal rosette 40–45 mm across and up to eight translucent, green and white or brown and white flowers 8–10 mm across.

Distinguishing Features

It is distinguished from the related Exserted Rufous Greenhood (Pterostylis exserta) by its shorter dorsal and lateral sepals and predominantly more easterly distribution.

WA Conservation Code (Threatened Status)

Not Listed

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