Description The Snail Orchid is a green flowered ground orchid from Western Australia. The flower is green with the dorsal sepal and lateral petals fused together into a blunt green hood. The lateral sepals are held erect on either side of the hood lake snail antennae. Flowers grow on the end of a stem that grows to about 35cm in length, with flowering in spring from August to October.
Habitat found in damp soil in forest and swamp margins
Distribution Pterostylis pyramidalis is found in south west Western Australia