Herbs perennial. Stems prostrate, tufted, 10--30 cm; branchlets nearly claviform or triangular, sparsely white appressed hairy (hairs 0.4--0.7 mm). Leaves shortly petiolate or sessile; leaf blade broadly ovate or ovate, 0.5--1.5 × 0.4--1.3 cm, abaxially sparsely adpressed hairy, midvein conspicuous, adaxially glabrous, base cordate, margin ciliate, apex acute. Flowers 1--3 in axillary cymes; bracts lanceolate or ovate-lanceolate, 3--4 × 0.5--1 mm, herbaceous. Pedicel 1.5--5 cm, pubescent, subglabrous in fruit. Sepals 5, lanceolate, 5--7 × 1--1.5 mm, veins 1--3, outside glabrous, base rounded, margin membranous, apex acute. Petals 5, slightly longer than sepals, 2-cleft nearly to base; lobes lanceolate. Stamens 10; filaments subulate; anthers purplish; disc lobed, ringlike, with glands. Styles 3, ca. 3 mm, filiform, glabrous. Capsules ovoid, 7--8 mm, 6-valved. Seeds numerous, brown, compressed, ca. 1.2 mm wide, conspicuously tuberculate. Fl. Jun--Jul, fr. Jul--Aug.
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