Herbs perennial, (30-)45-85(-110) cm tall. Stems erect, branched, glabrous. Basal and lowermost cauline leaves petiolate, withered early. Upper cauline leaves sessile or subsessile; leaf blade oblong-ovate, oblong, or lanceolate, 0.3-9(-15) × 0.1-2.5(-4) cm, leathery, glabrous or rarely sparsely pubescent, base cuneate or obtuse, margin entire or rarely serrulate, apex obtuse or acute. Infructescence paniculate, ultimate branches capitate. Fruiting pedicels 1-3(-4) mm, slender, pubescent. Sepals persistent, ovate or suborbicular, 0.9-1.5 × 0.8-1.5 mm, sparsely crisped pilose abaxially, broadly white at margin and apex. Petals white, obovate, 1.3-1.8(-2.2) × 0.8-0.9(-1) mm, base shortly clawed, apex rounded. Stamens 6; filaments 1-1.4 mm, slightly dilated or not dilated at base; anthers oblong, 0.3-0.4 mm. Fruit broadly ovate, 1.6-2.3 × 1.8-2.2 mm, glabrous or rarely sparsely puberulent, wingless, carinate at replum, base cordate; apical notch absent or obsolete; style obsolete or rarely to 0.1 mm; stigma discoid, much broader than style. Seeds brown, oblong, 0.8-1.1 × 0.5-0.6 mm, wingless; cotyledons incumbent. Fl. and fr. Jul-Aug. 2n = 16.
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