WANOSCG Orchid Fact Sheet

Pterostylis serotina

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Name and Authority

Pterostylis serotina (D.L.Jones, C.J.French & M.A.Clem.) D.L.Jones & C.J.French

Synonyms (previous names)

Pterostylis sp. 'late'; Pterostylis sp. 'The Knoll'; Plumatichilos serotinus

Common Name

Late Bird Orchid

Complex Name

Pterostylis barbata/turfosa (Bird Orchids)

Originally Described by

David Jones, Christopher French & Mark Clements in Australian Orchid Review 82(5): 36-38, Fig. 3 (2017) as Plumatichilos serotinus

Distribution and Habitat

Wellington Dam to Albany, growing in sandy and sandy-clay soils in forests and woodlands.

Flowering Months

· · · · · · · · · Oct Nov ·

Description

A late flowering species 150–250 mm high with a loose, ascending rosette of leaves 12–35 mm across, two to six cauline leaves and one (rarely two) translucent, light green and white flowers 9–11 mm across.

Distinguishing Features

It is related to Bearded Bird Orchid (P. turfosa) and Granite Bird Orchid (P. saxosa) but has a more bloated appearance, thicker sepals and a generally later flowering period.

WA Conservation Code (Threatened Status)

Not Listed

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