Plants up to 65 cm tall. Basal leaves usually 6–15 cm long, 3–4 mm wide; cauline leaves 3–4, 5.5–12 cm long, usually 2–4 mm wide. Lower bract 1.0–1.5 cm long, usually 0.7–1.0 mm wide. Inflorescence composed of 1–2 subsessile and (4–) 6–10 (rarely to 12) pedunculate clusters; peduncles often with secondary branches and 1–3 clusters on up to 1 cm long secondary peduncles; peduncles flexuose to arcuate, 0.2–0.3 mm in diam., 2.0–2.5 (–4.5) cm long, ±smooth to ±sparsely papillose. Clusters oblong-cylindrical, 0.5–0.8 cm long and up to 0.5 cm wide, 5–15-flowered. Bracteoles lanceolate-ovate, with outer ones long acuminate, 1.5–2.0 mm long, shorter than perianth, sparsely ciliate. Tepals equal, 2.3–2.8 (–3.0) mm long, narrowly lanceolate, acute to acuminate, pale castaneous brown to dark brown, usually with a narow pale margin and often with a pale yellowish-stramineous middle part. Anthers usually 0.3–0.6 mm long; filaments usually 0.9–1.1 mm long; style c. 0.4 mm long; stigmas less than 1 mm long. Capsule ±globular, obtuse, not mucronate; capsule segments castaneous brown, usually (1.4–)1.5–1.8 mm long and 1.1–1.2 mm wide. Seeds 0.8–1.0 mm long, 0.6–0.8 mm wide. 2n=24, c.30, fide I.Hedberg & O.Hedberg, Bot. Not. 130: 11 (1977).