WANOSCG Orchid Fact Sheet

Thelymitra stellata

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Name and Authority

Thelymitra stellata Lindl.

Synonyms (previous names)

Thelymitra fuscolutea var. stellata

Common Name

Star Orchid

Complex Name

Thelymitra fuscolutea (Sienna Sun Orchids)

Originally Described by

John Lindley in Sketch Veg.Swan R. 49 (1840)

Distribution and Habitat

Chittering to Armadale, growing in lateritic soil in woodlands.

Flowering Months

· · · · · · · · · Oct Nov ·

Description

A rare species 150–200 mm high with a broad, smooth leaf 50–100 mm long by 20–30 mm wide which is often shrivelled at the time of flowering and up to 12 rich brown and yellow flowers 25–40 mm across.

Distinguishing Features

It is distinguished from the related Northern Star Orchid (Thelymitra sp. ‘northern laterite’) and Crystal Brook Star Orchid (T. magnifica) by its shorter, more crowded inflorescence, generally more prominently blotched flowers and later flowering period.

WA Conservation Code (Threatened Status)

Threatened (Endangered)

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