Herbs perennial. Roots conic or spinose. Stems clustered, simple or branched at base, prostrate or erect, 10--30 cm, long hard hispid and glandular pubescent. Proximal cauline leaves sessile; middle and distal cauline leaves shortly petiolate; leaf blade green abaxially, ovate or orbicular-elliptic, 0.8--2 cm × 3--10 mm, thick, midvein raised, base narrowed, apex obtuse. Cymes few to many flowered; bracts leaflike, very small. Pedicel 0.8--2 cm, densely stiffly hairy and glandular pubescent, hairs erect or recurved. Sepals 5, lanceolate, 5--6 mm, glandular pubescent abaxially, base broadened, margin white membranous, apex acute. Petals 5, white, obovate, ca. 2 × as long as sepals, apex fimbriate. Stamens 10; anthers black or yellow-brown, globose. Ovary ovoid; ovules numerous. Styles 2. Fl. Jul--Sep.
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