Herbs perennial, prostrate or decumbent, 5-15(-45) cm tall. Stem sometimes reddish, smooth, glabrous. Leaves decussate; petiole 0.5-2 mm; leaf blade ovate-cordate or elliptic, 6-17 × 4-8 mm, surfaces glabrous, base rounded, sometimes cordate, margin thickened, crenate-serrulate with 6-20 small teeth. Inflorescence an indeterminate spike, unbranched or branched; bracts lanceolate, 0.5-0.8 × 0.1-0.2 mm, membranous, margin entire; bracteoles brown, suborbicular, 0.1-0.2 × 0.1-0.2 mm, membranous, margin serrulate or entire; all bracts deciduous at anthesis. Flowers erect then nodding, 4-merous; pedicel 0.1-0.3 mm. Sepals green, deltoid, ca. 0.5 mm, sometimes with a median-basal callus, base shallowly cordate. Petals reddish, hooded, keeled, 0.8-1.2 mm, sparsely hirsute on keel. Stamens 8, ca. 1 mm. Ovary 4-loculed; styles clavate, ca. 0.8 × 0.7 mm; stigmas red, capitate, fimbriate. Fruit reddish to gray, obovoid-globose to depressed globose, 0.9-1 × 0.8-1.1 mm, 8-ribbed, glabrous. Seed 1 per fruit. Fl. Apr-Aug, fr. May-Oct.
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Prostrate or ascending herb. Stems smooth, glabrous or sparsely scabrous. Leaves decussate, orbicular to ovate, rounded or cordate basally, glabrous; lamina 0.3–1.3 cm long; margins thickened with 8–20 small crenate teeth; petiole 0.6–2 mm long. Bracts alternate, lanceolate, 0.5–1 mm long, entire, deciduous; bracteoles orbicular, 0.1–0.2 mm long, serrulate or entire, deciduous, brown. Flowers 4-merous, pendent; pedicel 0.1–0.3 mm long. Sepals deltoid, 0.4–0.5 mm long, saccate basally, green. Petals 0.8–1.5 mm long, reddish. Stamens 8; anthers 0.7–0.9 mm long. Ovary prominently 8-ribbed, glabrous, shiny red to grey. Fruit obovoid, 0.7–0.9 mm long, 8-ribbed, glabrous or rarely with short curved unicellular hairs on tubercles on ribs, reddish to grey.
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