Herbs soft. Roots spinose. Stems lustrous yellowish or violet, 20--25 cm. Leaves sessile, narrowly elliptic, elliptic-lanceolate, or ovate, 0.5--2 cm × 2--5 mm, thin, base broadened, margin membranous, apex obtuse or acute. Cymes few to many flowered; bracts similar to leaves but smaller. Pedicel slender, 1--2.5 cm. Sepals 5, lanceolate or narrowly so, 4--5 mm, glandular villous abaxially, base broadened, margin membranous, apex obtuse. Petals 5, white, cuneate or obovate, ca. 2 × as long as sepals, base attenuate, apex 4-toothed. Stamens 10, shorter than petals. Ovary ovoid, 2--2.5 mm. Styles 2, to 5 mm. Capsule globose, apex 4-valved. Seeds brown, ovoid, with curls. Fl. and fr. Jul--Sep.
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