Perennials; rhizome absent or weakly developed, short; above-ground stolons often present. Stems erect 5–40 cm tall; cataphylls 1–3. Cauline leaves 2–5. Leaves unitubular, perfectly and distinctly septate, terete or slightly canaliculate at base; auricles scarious, to 3 mm long. Lower bract leaf-like, shorter than inflorescence. Inflorescence of (1–) 3–10 (–15) semiglobose to globose heads, each with (4–) 6–20 (–25) flowers. Tepals (2.4–) 3–4 mm long, subequal or the inner ones slightly longer than the outer, narrowly ovate, acute to acuminate, distinctly 3-veined, green-brownish or reddish, with narrow scarious margin. Stamens 6, 1/3–1/2 as long as perianth; anthers 0.7–1.4 mm long, 1.5–3 times as long as filaments. Style 1–1.5 mm long. Capsule (3–) 4–5.8 mm long, exceeding perianth, unilocular, ovoid-trigonous or narrowly pyramidal, tapering to 0.4–1.5 (–2.0) mm mucro, brownish to ferrugineous, shiny. Seeds 0.4–0.55 (–0.6) mm, pyriform to ovoid, shortly apiculate, longitudinally 20–25-striate, transversally reticulate; appendages absent.