Perennials; (caudex branched, covered with persistent petiolar remains); moderately pubescent, trichomes simple or short-stalked, forked, (to 0.6 mm). Stems simple or few from base (caudex), erect, unbranched, 0.7-1.1 dm, (pubescent throughout, trichomes short-stalked, forked). Basal leaves: petiole 0.3-0.6 cm, (sparsely ciliate); blades oblanceolate to obovate, 0.4-1 cm × 2-7 mm, margins entire or repand, (ciliate), apex obtuse, surfaces sparsely pubescent, trichomes simple and forked. Cauline leaves 4-6; blade oblong, 0.6-0.8 cm × 2-3 mm, base not auriculate, margins entire, (ciliate), apex obtuse. Racemes simple, (dense). Fruiting pedicels erect, (subappressed to rachis), 5-6.5 mm, (glabrous). Flowers: sepals (greenish), ovate, 1.5 × 0.5 mm, lateral pair not saccate basally, (glabrous); petals white, oblanceolate, 3.5-4 × 1 mm, apex rounded. Fruits erect, (appressed to rachis), slightly torulose, 2-2.3 cm × 1 mm; valves each with distinct midvein extending full length; ovules 28-34 per ovary; style 0.2-0.3 mm, (stout). Seeds winged distally, oblong, ca. 1 × 0.5 mm; wing ca. 0.1 mm wide.