T: China [China South-Central], Sichuan, Daocheng District, Mt Gonggashan, 4300 m, 25 Aug 1996, S.K.Wu & al. 1551; holo: KUN; iso: TI.
Perennials, 4–20 cm tall, densely caespitose; rhizome short. Stem ±erect, terete, grooved. Cataphylls 1–3, brown. Leaves basal and subbasal, 1–2, bitubular, canaliculate, 1.5–10 cm long; sheaths 0.5–2 cm long, stramineous, with leaves of sterile shoots with several grooves, 1.2–15 cm long. Cauline leaf absent or single, linear, 3–5 cm long; auricles obtuse, 0.5–0.7 mm long, ±scarious. Lower bract equalling or slightly exceeding inflorescence, linear-lanceolate, 4–10 mm long, 0.5–1.0 mm wide, light brown. Inflorescence a terminal 3–8-flowered head; flower bracts lanceolate, 1.5–2.0 mm long, 0.5–0.8 mm wide, light brown. Flowers proliferating or not so, sometimes mixed in an inflorescence; normal flowers on pedicels 0.4–0.6 mm long. Tepals ±equal, lanceolate, subacute, 3.0–3.5 mm long, 0.8–1.1 mm wide, ±white. Stamens 6, exserted, 4.5–5.0 mm long; anthers linear, white, 1.2–1.3 mm long; filaments 3.8–4.0 mm long; style 0.4–0.8 mm long; stigmas 0.5–0.7 mm long. Capsule unilocular, ±ovoid-trigonous, acuminate, 2.9–3.0 mm long, 1.0–1.2 mm wide, castaneous-brown, slightly exceeding perianth. Proliferating flowers 3–5 mm long, stamens and capsules usually abortive, with inner perianth segment changed into propagules 3.0–4.5 mm long. Seeds ellipsoid, apiculate, brown, 0.5–0.6 mm long; appendages ±absent.