Herbs, perennial, with spreading rootstock. Stems erect or ascending, branched, solitary, few, or occasionally densely clumped, previous year's dead stems not persistent, 18–33 cm, glabrous. Leaves alternate; stipules to 0.1 mm; petiole minute or absent; blade linear to filiform, 10–20 × 0.8–1.5(–4) mm, base cuneate, margins entire, often involute, apex rounded, surfaces glabrous; venation usually obscure, midvein visible at base of wider leaves. Cyathia in terminal dichasia or pleiochasia; peduncle 2–6 mm (to 20 mm for central cyathium), glabrous. Involucre campanulate, 1.2–2 × 1.3–1.8 mm, glabrous or strigose on distal extreme; glands 5, red, elliptic, 0.5 × 1 mm; appendages white, orbiculate, 0.5–0.8 × 1.3–1.5 mm, erose. Staminate flowers 20–25. Pistillate flowers: ovary glabrous; styles 0.6–1 mm, 2-fid at apex. Capsules globose, 2.3–2.8 × 4.3–5.1 mm, glabrous; columella 2.5–3.2 mm. Seeds ashy gray, ovoid, 2.9 × 2 mm, with obscure shallow depressions; caruncle absent.
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