Pterostylis longipetala Rupp APNI*
Synonyms: Diplodium longipetalum (Rupp) D.L.Jones & M.A.Clem. APNI*
Description: Terrestrial herb.
Rosette leaves 3–6, ovate, 1–3 cm long, 10–15 mm wide, margins entire; petiolate.
Scape to 25 cm high, with 3–5 stem leaves. Flower 2–2.5 cm long, partially nodding, green and white with pink to red or red-brown suffusions in the galea. Dorsal sepal with a filiform point to 5 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 30 mm long, filiform, erect. Labellum narrow-ovate to lanceolate, long-acuminate, 12–15 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 moist slopes in sclerophyll forest of coastal and near-coastal districts.
NSW subdivisions: NC, CC, SC, NT, CT, ST
Other Australian states: Qld Vic.
Part of a complex at present under study.
Text by D. L. Jones
Taxon concept: Flora of NSW 4 (1993)
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