Annual or perennial herb 7–30 cm tall. Stems smooth, hirsute when young. Leaves decussate, becoming spiral above, often imbricate, sessile, rhomboidal to ovate or narrowly ovate, entire or shortly 1–4-dentate, densely pilose; lamina 2.5–10 mm long; margins slightly thickened. Bracts ovate to lanceolate, 2–3.5 mm long, entire, pilose, green; bracteoles linear, 0.5–0.8 mm long, ciliate on margins, brown. Flowers 4-merous. Sepals narrowly lanceolate, 1.3–1.5 mm long; margins long-ciliate; median basal callus. Petals 1.8–1.9 mm long, reddish brown with cream or green margins. Stamens 8; anthers l.5–1.6 mm long. Ovary 8-ribbed, with 3 or 4 calluses between ribs below, glabrous or shortly and densely scabrous, brown. Fruit 1–1.2 mm long.
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