Royle ex D.Don, Proc. Linn. Soc. London 1: 10 (1840)
T: [In 1839 not indicated, in 1840 given as:] India, Kunawur ad Soongnum, J.F.Royle; holo: LIV; iso: K, W.
Perennials, 3–15 (–19) cm tall, densely caespitose; rhizomes very short. Cataphylls reddish-brown. Cauline leaves usually 2, sub-basal, with upper part of stem leafless; blades linear, to 5.5 cm long, to c. 1 mm wide, reaching c. 2/3 way up stem, unitubular, canaliculate; apex subacute; sheaths with membranous margins gradually tapered into blade; auricles lacking. Lower bract leafy, to twice length of capitulum, 1.0–2.5 cm long. Inflorescence a single terminal capitulum, 5–10-flowered. Tepals ±white, narrowly lanceolate, subacute, equal, (4.6–) 5.2–6.4 mm. Stamens 6; anthers completely exserted at maturity, linear, (1.8–) 2.0–2.9 mm long; filaments 3.0–5.5 mm long; ovary ellipsoid-trigonous, (2.3–) 3.0–3.8 mm long; style 1.3–2.3 mm long; stigmas 0.5–1 mm long. Capsule ovoid to broadly ellipsoid, 2.6–3.0 mm long, with 0.8–1.5 mm mucro. Unripe seeds c. 0.4–0.5 mm long; appendages unequal, c. 0.1–0.2 mm and c. 0.3–0.4 mm.