Pterostylis revoluta R.Br. APNI*
Description: Terrestrial herb.
Rosette leaves 3–7, ovate, 1–3 cm long, 4–12 mm wide, margins entire; petiolate.
Scape to 15 cm high, with 3–5 closely sheathing stem leaves. Flower 2.5–3 cm long, partially nodding, pale green and white. Dorsal sepal with a filiform point to 6 mm long. Petal margins not flared. Lateral sepals tightly embracing the galea; sinus broadly V-shaped, protruding in a shallow curve when viewed from the side; free points to 25 mm long, filiform, erect or curved forwards. Labellum narrow-ovate to lanceolate, long-acuminate, 14–17 mm long, c. 3 mm wide, dark red-brown, curved, the distal half protruding from the sinus in the set position.
Distribution and occurrence: Grows on sheltered slopes of sclerophyll forest in coastal and near-coastal districts; chiefly from Cessnock area to Nowra.
NSW subdivisions: NC, CC, SC, NT, CT, CWS, SWP
Other Australian states: Qld
Text by D. L. Jones
Taxon concept: Flora of NSW 4 (1993)
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