Buchenau in H.G.A.Engler, Pflanzenr. , IV, 36: 220 (1906)
Perennials, 10–40 cm tall, caespitose; rhizome short, ±creeping; stem terete, erect to ascending, c. 1.0–1.5 mm in diam. Cataphylls 0–2, short, brownish-greenish. Cauline leaves 2–3, c. 4–12 cm long, thin, c. 0.6–0.9 mm wide, unitubular, perfectly septate; auricles obtuse to truncate, c. 0.4–0.8 mm long, ±scarious. Lower bract leaf-like, c. 2–4 cm long, shorter than inflorescence. Inflorescence decompound, ±diffuse; main branches 1–3, erect to erecto-patent, of 8–40 small usually obconical to semiglobose, (1–) 2–4 (–5)-flowered heads. Tepals ±unequal, greenish or suffused reddish, with broad scarious margins; outer tepals lanceolate, 3-veined, c. 1.8–2.0 mm long, acute to mucronate; inner tepals longer, broader lanceolate, to 2.3 mm long, obtuse. Stamens 3; anthers c. 0.4–0.5 mm long; filaments c. 0.8–0.9 mm long; style 0.1–0.2 mm long; stigmas c. 1.0–1.3 mm long. Capsule unilocular, trigonous-ovoid, c. 2.5–2.9 mm long, acuminate, with a c. 0.2–0.4 mm rostrum, pale brownish to stramineous, ±dull, much exceeding perianth. Seeds ellipsoid, apiculate, c. 0.5 × 0.2 mm, pale brown, longitudinally c. 16–20-striate, transversally reticulate; appendages absent.