Herbs perennial, (3-)5-15(-20) cm tall, cespitose. Caudex slender, few branched, ultimate branches terminated in rosettes, covered with petiolar remains of previous years. Stems erect, simple, tomentose with subsessile stellate trichomes. Basal leaves rosulate; petiole absent or to 1.2 cm; leaf blade lanceolate, 0.8-3 cm × 1-5 mm, tomentose with sessile, 4-rayed stellate trichomes the rays of which with 1 or 2 lateral branches, base attenuate to cuneate, margin entire or dentate, not ciliate, apex acute. Cauline leaves 6-14(-17), sessile; leaf blade ovate, oblong, or elliptic, 0.6-1.5 cm × 2-7 mm, pubescent as basal leaves, base cuneate to obtuse, margin entire or 1-6-toothed on each side, not ciliate at base, apex acute. Racemes 7-20-flowered, ebracteate or lowermost flowers bracteate, elongated slightly in fruit. Fruiting pedicels 1-5(-6) mm, divaricate, straight, tomentose all around with subsessile, stellate trichomes. Sepals oblong, 1-1.8 × 0.5-0.9 mm, erect, abaxially pilose, base of lateral pair not saccate, margin membranous. Petals white, spatulate, 2-3.5 × 1-1.3 mm, apex subemarginate or rounded; claw absent. Filaments 1-1.8 mm; anthers ovate, 0.1-0.2 mm. Ovules 12-18(-20) per ovary. Fruit narrowly oblong-ellipsoid to lanceolate-linear, (5-)6-8(-9) × (1-)1.5-2.5 mm, erect, latiseptate, flat or twisted to 1 turn; valves tomentose or glabrous, obscurely veined, base obtuse, apex acute or acuminate; style 0.1-0.3 mm. Seeds brown, ovate, 0.9-1.1 × 0.5-0.6 mm. Fl. and fr. Jun-Aug.
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