Perennials; caudex simple or branched (sometimes with persistent leaf bases); not scapose. Stems unbranched, 0.5-1.5 dm, pubescent throughout, trichomes malpig-hiaceous, 0.2-0.5 mm, and sometimes simple. Basal leaves rosulate; petiolate; petiole not ciliate; blade oblanceolate to spatulate, 0.5-1.8 cm × 2-4 mm, margins entire or dentate, (not ciliate proximally), surfaces pubescent with malpighiaceous trichomes, 0.3-0.6 mm. Cauline leaves 4-13; sessile; blade broadly ovate to lanceolate, margins denticulate, surfaces pubescent as basal. Racemes 10-33-flowered, ebracteate, elongated in fruit; rachis not flexuous, glabrous or pubescent, trichomes simple and/or malpighiaceous. Fruiting pedicels divaricate-ascending, straight or curved upward, 6-13 mm, pubescent abaxially, trichomes simple and/or malpighiaceous. Flowers: sepals ovate, 2.5-3 mm, subapically pubescent, (trichomes simple and malpighiaceous); petals yellow, oblanceolate, 4-5 × 1.5-2 mm; anthers oblong, 0.7-1 mm. Fruits elliptic to elliptic-lanceolate, plane, flattened, 5-10 × 1.5-2.2 mm; valves glabrous; ovules 14-18 per ovary; style 0.8-1.2 mm. Seeds ovoid, 1-1.4 × 0.7-0.9 mm.
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