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Pterostylis collina (Rupp) M.A.Clem. & D.L.Jones
Family Orchidaceae
Pterostylis collina (Rupp) M.A.Clem. & D.L.Jones APNI*

Synonyms: Taurantha collina (Rupp) D.L.Jones & M.A.Clem. APNI*

Description: Terrestrial herb.

Rosette leaves 3–6, ovate to oblong, 1–4 cm long, 5–15 mm wide, shiny, margins entire or crinkled; petiolate.

Scape to 20 cm high. Flowers c. 3 cm long, erect, white heavily suffused with red or bright green. Apex of galea decurved. Dorsal sepal acuminate to long-acuminate. Lateral sepals tightly embracing the galea; sinus broadly U-shaped when viewed from the front, flat or shallowly mounded when viewed from the side; free points filiform, 15–25 mm long, erect. Petals broad, apex nearly truncate, apiculate. Labellum narrow-ovate to lanceolate, 11–13 mm long, c. 2.5 mm wide, brown, apex deeply notched the lobes widely spreading, distal third protruding from the sinus in the set position.

Flowering: April–August

Distribution and occurrence: Grows in wet sclerophyll forest and on rainforest margins, north of Newcastle.
NSW subdivisions: NC
Other Australian states: Qld
AVH map***

Text by D. L. Jones
Taxon concept: Flora of NSW 4 (1993)

APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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