Pterostylis monticola

Flowering plant to 40 cm tall, stem scabrous. Rosette leaves 3–7, ovate to elliptic, 3–8 cm long, 1.5–2.5 cm wide, scattered on the basal part of the stem, sessile, margins entire. Flower 4–5 cm long, erect, dark green and white; galea apex flat or slightly decurved; dorsal sepal acute to subacute; lateral sepals erect, loosely embracing the galea leaving a lateral gap, sinus broadly notched when viewed from the front, protruding in a shallow curve when viewed from the side, free points linear-tapered, 1.5–2 cm long, erect; petals broad, subacute. Labellum narrowly ovate-lanceolate, 16–20 mm long, 3.5–4.5 mm wide, brown, curved forwards above the middle, subacute to obtuse, distal third protruding from the sinus in the set position. Flowers Nov–.Mar.