Perennials; (short-lived); caudex simple or branched; sometimes scapose. Stems unbranched or branched (few), (0.2-)0.4-0.9 (-1.2) dm, pubescent through-out, trichomes stellate, 4-8-rayed, 0.05-0.5 mm. Basal leaves rosulate; shortly petiolate; petiole ciliate, margin not ciliate, (trichomes simple and 2-rayed, 0.3-1 mm); blade oblanceolate, 0.6-2 cm × 1.5-4(-6) mm, margins entire, surfaces pubescent with short-stalked, 4-8-rayed trichomes, 0.1-0.4 mm. Cauline leaves 0-3; sessile; blade ovate to oblong, margins entire, surfaces pubescent as basal. Racemes 3-13-flowered, ebracteate, elongated in fruit; rachis not flexuous, pubescent as stem. Fruiting pedicels ascending to divaricate-ascending, straight, (2-)4-9(-12) mm, pubescent, trichomes short-stalked, 4-8-rayed, (0.1-0.4 mm). Flowers: sepals (persistent until fruit maturity), oblong to ovate, 1.7-2.5 mm, pubescent, (trichomes short-stalked, 2-5-rayed); petals white or creamy white, spatulate to oblanceolate, 2.2-3 × 0.8-1 mm; anthers ovate, 0.2-0.35 mm. Fruits lanceolate to oblong, plane, slightly flattened, (5-)6-9(-11) × 1.8-2.5 mm; valves usually pubescent, rarely glabrous, trichomes simple and short-stalked, 2-or 3-rayed, 0.05-0.25 mm; ovules 22-32 per ovary; style 0.1-0.3(-0.4) mm. Seeds oblong, 0.8-1 × 0.5-0.6 mm.
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