Prasophyllum atratum

Description

Prasophyllum atratum, commonly known as the Three Humock leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular, dark green leaf and up to twenty five brownish- to purplish-green flowers with a dark purplish labellum. It is only known from a single population of fewer than one thousand plants growing on Three Hummock Island.