Pterostylis recurva
Encyclopedia
Pterostylis recurva is a species of orchid endemic to west-southwestern and Southwest Australia
Southwest Australia
Southwest Australia is a biodiversity hotspot that includes the Mediterranean forests, woodlands, and scrub ecoregions of Western Australia. The region has a wet-winter, dry-summer Mediterranean climate, one of five such regions in the world...

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Description

Pterostylis recurva is a perennial herb. It flowers in early spring during August - October. The flowers are striped green and white, the perianth
Perianth
The term perianth has two similar but separate meanings in botany:* In flowering plants, the perianth are the outer, sterile whorls of a flower...

 forms a hollow tube with a hinged lip, characteristic of Pterostylis
Pterostylis
Pterostylis is a terrestrial deciduous genus of some 100 or so species of orchids found mainly in New Zealand, Australia, Papua New Guinea and New Caledonia. The common name of this orchid is Greenhood - a number of species have green flowers with the dorsal sepal forming a "hood" over the rest of...

. The relatively large size of the flowers and their distinctive shape gives them the common name of 'Jug Orchids'.

It is known to occur in sand, clay, laterite and gravel soils.
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