Pterostylis curta, commonly known as the blunt greenhood, is a species of orchid found in south-eastern Australia, Lord Howe Island and New Caledonia. It has a rosette of leaves at its base and a single white and green, forward leaning flower with a brown tip and a twisted labellum.
Pterostylis baptistii, commonly known as the king greenhood, is a species of orchid endemic to eastern Australia. Flowering plants have a rosette of stalked, dark green leaves and a single white flower with green and brown markings, and a wide gap between the petals and lateral sepals. It occurs mostly in New South Wales but is also found in coastal Queensland and north-eastern Victoria.
David Lloyd Jones is an Australian horticultural botanist and the author of a large number of books and papers, especially on Australian orchids.
Pterostylis tunstallii, commonly known as Tunstall's greenhood or granite greenhood is a plant in the orchid family Orchidaceae and is endemic to south-eastern Australia. Flowering plants have up to ten transparent green flowers which have a dark brown, insect-like labellum with a blackish "head". Non-flowering plants have a rosette of leaves on a short stalk but flowering plants lack the rosette, instead having five to eight stem leaves.
Pterostylis bureaviana is a plant in the orchid family Orchidaceae and is endemic to New Caledonia. It was first formally described in 1906 by Rudolf Schlechter from a specimen collected on mountains near Païta and the description was published in the journal Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie. This greenhood orchid is found between Yaté and the Massif de Tchingou, growing in rainforest and dense humid forest, often in Nothofagus leaf litter.
Pterostylis loganii, commonly known as the Logan's leafy greenhood, is a plant in the orchid family Orchidaceae and is endemic to a small area near the border between New South Wales and Victoria. Flowering plants have up to five pale green flowers with darker green stripes and brownish tips. The flowers have a brown labellum with a blackish stripe and a blackish mound near its base. Non-flowering plants have a rosette of leaves on a short, thin stalk but flowering plants lack the rosette, instead having five to seven stem leaves.
Pterostylis pearsonii is a plant in the orchid family Orchidaceae and is endemic to Queensland. It was first formally described in 2010 by David Jones and given the name Oligochaetochilus pearsonii. The description was published in the journal The Orchadian from a specimen grown in the Australian National Botanic Gardens from a tuber collected near Eungella Dam. In 2010, Jasmine Janes and Marco Duretto changed the name to Pterostylis pearsonii.
Pterostylis pedina is a plant in the orchid family Orchidaceae and is endemic to New South Wales where in grows on the south-west plains. It was first formally described in 2009 by David Jones and given the name Oligochaetochilus pedinus. The description was published in the journal The Orchadian from a specimen grown in Yass from a material collected near Hay. In 2010, Jasmine Janes and Marco Duretto changed the name to Pterostylis pedina. The specific epithet (pedina) is derived from the Ancient Greek word pedinos meaning "flat" or "level".
Pterostylis prasina, commonly known as the mallee leafy greenhood, is a plant in the orchid family Orchidaceae and is endemic to southern continental Australia. Non-flowering have a rosette of leaves on a short stalk, but flowering plants lack the rosette and have up to eight pale green and translucent green flowers with darker green lines. The flowers have a pale green labellum with a darker central line. It is a common and widespread greenhood in parts of Victoria and South Australia.
Pterostylis pusilla, commonly known as the tiny rustyhood is a plant in the orchid family Orchidaceae and is endemic to southern Australia. It has a rosette of leaves and up to nine relatively small green and reddish-brown flowers with translucent white "windows" and a dark brown, insect-like labellum.
Pterostylis reflexa, commonly known as the dainty greenhood, is a species of orchid endemic to New South Wales. As with similar greenhoods, the flowering plants differ from those which are not flowering. The non-flowering plants have a rosette of leaves flat on the ground but the flowering plants have a single flower with leaves on the flowering stem. This greenhood has a relatively large white, green and light brown flower with a long, curved dorsal sepal and a protruding labellum.
Pterostylis riparia, commonly known as the streamside greenhood, is a plant in the orchid family Orchidaceae and is endemic to New South Wales. Both flowering and non-flowering plants have a rosette of dark green, fleshy leaves. Flowering plants have a single relatively large green, white and reddish-brown flower with a deeply notched sinus between hairy lateral sepals.
Pterostylis russellii, commonly known as Russell's greenhood, is a species of orchid endemic to eastern Australia. Non-flowering plants have a rosette of leaves flat on the ground but flowering plants have a single shiny white and dark green flower on a flowering stem lacking a rosette but with a few spreading stem leaves.
Pterostylis sargentii commonly known as the frog greenhood, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It is a relatively common orchid which has up to six relatively small, white flowers with green or brown stripes and a fleshy, three-part, frog-like labellum. Non-flowering plants have a rosette of leaves on a short stalk.
Pterostylis spissa, commonly known as the cygnet greenhood, is a plant in the orchid family Orchidaceae and is endemic to Victoria. Both flowering and non-flowering plants have a rosette of leaves lying flat on the ground and flowering plants have up to twelve small, green flowers which have a green labellum with a dark green beak-like appendage.
Pterostylis stenosepala, commonly known as the narrow-sepalled leafy greenhood, is a plant in the orchid family Orchidaceae and is endemic to New South Wales. Flowering plants have up to six shiny, translucent green flowers with darker green stripes. The flowers have an insect-like labellum which is green with a dark green mound on its upper end. Non-flowering plants have a rosette of leaves on a stalk, but flowering plants lack the rosette, instead having between four and eight stem leaves.
Pterostylis tasmanica, commonly known as the small bearded greenhood, is a species of orchid in the family Orchidaceae which is native to south-eastern Australia and New Zealand. It has a single green flower with translucent "windows" and a long, thin labellum bordered with golden hairs. It is similar to P. plumosa but is shorter, with smaller leaves and flowers but a more densely feathery labellum.
Pterostylis tenuicauda is a plant in the orchid family Orchidaceae and is endemic to New Caledonia. It was first formally described in 1929 by Friedrich Kraenzlin and the description was published in Vierteljahrsschrift der Naturforschenden Gesellschaft in Zurich.
Pterostylis torquata, commonly known as the collared greenhood, is a species of orchid endemic to New South Wales. As with similar greenhoods, the flowering plants differ from those which are not flowering. The non-flowering plants have a rosette of leaves flat on the ground but the flowering plants have a single flower with leaves on the flowering stem. This greenhood has a white flower with dark green and dark brown markings, although in some areas, the flowers lack the brown markings. The sinus between the lateral sepals is platform-like.
Pterostylis uliginosa, commonly known as the marsh greenhood, is a species of orchid endemic to south-eastern Australia. As with similar orchids, the flowering plants differ from those which are not flowering. The non-flowering plants have a rosette of leaves but the flowering plants lack a rosette at the base but have up to three rosettes on lateral growths and up to seven small green and white flowers. This species only grows in wet places, usually where there is free water. There are usually only two or three flowers per plant, and only one or two are open at a time.
