Pterostylis russellii T.E.Hunt

Rosette leaves 3–5, heart-shaped, 15–40 × 10–20 mm, dark green, margins wavy. Flower stem 200–350 mm tall, with 3–5 spreading stem leaves to 40 × 5 mm. Flower erect to semi-nodding, 15–20 × 7–9 mm, bright green and white, shiny. Dorsal sepal tip tapered, 3–5 mm long. Sinus abruptly bulging like platform in side view, nearly flat to broadly V-shaped in front view. Free points filiform, 20–30 mm long, erect, parallel. Labellum curved, protruding prominently from sinus when set, 11–14 × 3–3.5 mm, blackish, blunt.

Locally common; usually found in mountainous districts growing on shady slopes and close to streams in tall humid forest and along rainforest margins in rich loam; in some areas extending to lowlands growing in sheltered parts of drier forests in clay loam.