Species of orchid
 ;templatestyles src="Template:Taxobox/core/styles.css" / ;
Pterostylis bicolor, commonly known as the black-tip greenhood, is a plant in the orchid family Orchidaceae and is endemic to south-eastern Australia. It has a rosette of leaves and when flowering, three to ten well-spaced, bright green flowers with a blunt, greenish-black appendage on the labellum. It is similar to the swan orchid, "Pterostylis cycnocephala" but that species has a beak-like appendage and crowded flowers.
Description.
"Pterostylis bicolor", is a terrestrial, perennial, deciduous, herb with an underground tuber. It has a rosette of between five and twelve dark green leaves, each leaf long and wide. When flowering there are between three and ten well-spaced, bright shiny green flowers long and wide on a flowering spike tall. Six to eleven stem leaves are wrapped around the flowering spike. The dorsal sepal and petals form a hood or "galea" over the column. The lateral sepals turn downwards, long and wide, dished and joined for most of their length. The labellum is egg-shaped, long and wide, with a greenish-black, blunt, ridged, forward pointing appendage. Flowering occurs from August to November.
Taxonomy and naming.
"Pterostylis bicolor" was first formally described in 1987 by David Jones &amp; Mark Clements and the description was published in "Proceedings of the Royal Society of Queensland". The specific epithet ("bicolor") is a Latin word meaning "two-coloured".
Distribution and habitat.
The black-tip greenhood is widespread in New South Wales and found in scattered populations in Victoria. It grows in grassy woodland and forest.
References.
 ;templatestyles src="Reflist/styles.css" / ;