Pterostylis collina

Pterostylis collina, commonly known as the shiny bull orchid, is a species of orchid endemic to New South Wales. It has a rosette of leaves and when flowering, a single reddish-brown, green and white flower with a curved top.
Description.
"Pterostylis collina" is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of between three and six egg-shaped leaves, each leaf long and wide. Flowering plants have a rosette at the base of a flowering stem with a single reddish-brown, green and white flower. The flower is long and wide and is borne on a flowering stem high. The dorsal sepal and petals are joined and curve forward in a semi-circle forming a hood called the "galea" over the column with the dorsal sepal longer than the petals. The lateral sepals are pressed against the galea and there is a broad, flat sinus between their bases. The lateral sepals have erect, thread-like tips long which spread apart from each other. The labellum is long, about wide and curved with a deep notch on the end. Flowering occurs between April and August.
Taxonomy and naming.
The shiny bull orchid was first formally described in 1929 by Herman Rupp who gave it the name "Pterostylis ophioglossa" var. "collina". The description was published in "Proceedings of the Royal Society of New South Wales" from a specimen collected in the Paterson Valley north of Newcastle. In 1989 David Jones and Mark Clements raised the variety to species status with the name "Pterostylis collina". The specific epithet ("collina") is a Latin word meaning "of a hill" or "hilly".
Distribution and habitat.
"Pterostylis collina" grows in wet forest and on the edges of rainforest on the north coast north of Newcastle.