Flora of New Zealand Series

Plant c. 5–25–(30) cm. tall at fl. Stem erect, smooth, internodes < lvs. Lvs mostly 4–6, the size changing from below upwards, the largest lf on a stem c. 5–15 × 0.5–1 cm.; all linear-lanceolate, ± keeled, long-acuminate, widest near sessile sheathing base, us. overtopping fl. Fl. solitary, ovary us. erect. Dorsal sepal c. 1.5–3 cm. tall, distal part ± horizontal, tip acuminate to shortly caudate; lateral sepals diverging at a narrow angle, tips caudate and ± erect, overtopping galea. Petals broad almost to tip, a little shorter than dorsal sepal. Labellum oblong, little arched. Column about as tall as labellum; stigma narrow, not prominent.