(Engelm.) Piper, Contr. U. S. Natl. Herb. 11: 182 (1906)
Perennials, c. 10–25 cm tall, very loosely caespitose; rhizome long, creeping; stolons 1.2–1.5 mm in diam. Cataphylls 0–2, brown to pale brownish; basal leaves 2–5, 8–13 (–20) cm long, 1.2–2.5 mm wide; sheaths loose; auricles absent or scarious, subacute, 0.3–0.8 mm long; cauline leaves 2–4, with margins papillose. Lower bract narrow, leaf-like, to c. 5 cm long, shorter than or exceeding inflorescence. Inflorescence usually umbelloid, of (1–) 2–4 (–6) obconical to semiglobose 3–7-flowered clusters; peduncles to c. 3 cm long, distinctly papillose, sometimes abbreviated. Tepals ±broadly lanceolate, subequal; outer tepals slightly longer, 3.0–4.2 mm long, papillose. Stamens 6. Capsule trilocular, oblong-ovoid, c. 3.5–4.5 mm long, usually truncate to retuse, distinctly exceeding perianth. Seeds obliquely ovoid, apiculate, c. 0.4 × 0.2–0.25 mm, brown; outer seed-coat tight, distinctly reticulate; appendages absent. 2n = 38, fide S.Snogerup, Bot. Not. 116: 150 (1963).