WANOSCG Orchid Fact Sheet

Prasophyllum calcicola

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Name and Authority

Prasophyllum calcicola R.J.Bates

Synonyms (previous names)

Paraprasophyllum calcicola

Common Name

Limestone Leek Orchid

Complex Name

Prasophyllum gracile (Small Leek Orchids)

Originally Described by

Robert John Bates in J.Adelaide Bot.Gard. 11:179-182, Fig.1 (1989)

Distribution and Habitat

Zuytdorf Cliffs to Toolina Cove, growing in calcareous sandy soils in coastal woodlands and shrublands. The species is also found in coastal South Australia. The species does not require a summer fire to flower.

Flowering Months

· · · · · · · · Sep Oct · ·

Description

A coastal species 40–150 mm high with a smooth tubular leaf 50–150 mm long by 2–3 mm wide and up to 12 yellowish-green flowers 3–4 mm across.

Distinguishing Features

It is distinguished from the related Laughing Leek Orchid (Prasophyllum macrostachyum) by its smaller, paler coloured flowers, coastal distribution and preference for well drained, rather than swampy habitat.

WA Conservation Code (Threatened Status)

Not Listed

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