Pterostylis concinna

Flowering plant to 30 cm long, stem very slender. Rosette leaves 5–10, ovate to oblong, 1–3 cm long, 0.5–1.5 cm wide, petiolate, margins entire, flat or wavy. Flower 12–15 mm long, erect, white and dark green with brown suffusions in the galea and sinus; galea apex slightly decurved; dorsal sepal acuminate; lateral sepals erect, tightly embracing the galea, sinus flat when viewed from the front, shallowly mounded when viewed from the side, free points 14–20 mm long, filiform to clavate, erect; petals broad, shortly pointed. Labellum oblong, 7–10 mm long, c. 3.5 mm wide, dark brown, apex deeply notched, tip just visible through the sinus in the set position. Flowers May–Sep.