WANOSCG Orchid Fact Sheet

Prasophyllum triangulare

ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click/tap on images to enlarge
Name and Authority

Prasophyllum triangulare Fitzg.

Synonyms (previous names)

Prasophyllum lanceolatum

Common Name

Dark Leek Orchid

Complex Name

Prasophyllum elatum (Tall Leek Orchids)

Originally Described by

Robert Fitzgerald in Gard.Chron. 17:495 (1882)

Distribution and Habitat

Albany to Busselton, growing in sandy, sandy-clay and lateritic soils in forests, woodlands and shrublands, flowering best in the season following summer fire.

Flowering Months

· · · · · · · · Sep Oct · ·

Description

A rare species 300–400 mm high with a smooth tubular leaf 250–350 mm long by 4–7 mm wide and up to 30 greenish-brown to purplish-brown flowers 8–10 mm across.

Distinguishing Features

It is distinguished from the related King Leek Orchid (Prasophyllum regium) by its shorter inflorescence and fewer, smaller flowers. It is also usually finished by the time that species starts flowering.

WA Conservation Code (Threatened Status)

Not Listed

Copyright © 2024. WANOSCG All rights reserved. (ver: April 2024)