Perennial, sometimes rhizomatous herb, with scapes c. 30–75 cm high. Leaves grass-like, tufted at base, c. erect, narrow-linear, 14–20(–40) cm long, 1–3 mm wide, usually glaucous, margins minutely and c. regularly serrate, thickened, sometimes recurved, apex aristate. Scapes increasingly glandular-pubescent from base to apex; flowers 10–25, in simple erect racemes. Calyx linear-lanceolate, 3–5 mm long, glandular-pubescent, lobes equal, shorter than tube, united into 2 lips; corolla c. 9 mm across, pale pink to deep lilac, lobes paired laterally, subequal, oblong, the posterior pair slightly narrower, labellum acute with short linear appendages, throat appendages 8 (6 prominent, 2 reduced), glandular; column c. 7 mm long; anthers dark-rimmed, pollen white; stigma oval, cushion-like. Capsule orbicular-oblong, 3–5 mm long; seeds c. 2 mm long, light brown. Flowers mostly Aug.–Nov.