Dense perennials, compact, cushion-forming, usually to 8–10 cm tall. Stem erect, much branched, with basal internodes covered with old sheaths and fresh leaves only in the most distal part. Sheaths with membranous margins, 3–5 cm long; auricles forming a bilobed ligule; blade cylindrical, tapered into pugent apex, 4–6 cm long, 1–2 mm wide. Bracteoles unequal, ovate, membranous; lower bracteoles 4.5–5.0 mm long. Flowers hermaphrodite or unisexual, with the former on long filiform peduncules 3–5 cm long. Tepals lanceolate, purplish-castaneous, with margins membranous, subequal; outer tepals 7 mm long; inner tepals 7.5–8.5 mm long. Stamens 6; anthers mucronulate, 4.0–4.5 mm long; filaments 0.3–0.5 mm long. Female flowers with filiform staminodes; ovary turbinate; style c. 2 mm long, large; stigma exserted, c. 4–5 mm long. Capsule ovoid to ellipsoidal, 7.0–7.5 mm long, shorter than perianth. Seeds ellipsoidal, 0.8–0.9 mm long.