Perennials; (caudex usually simple, rarely branched, covered with persistent petiolar remains); sparsely to densely pubescent, trichomes short-stalked, cruci-form, or 3-rayed stellate, (0.3-0.5 mm). Stems simple or few from base (caudex), erect, usually unbranched, rarely branched (few) distally, 2.2-5.5(-6.7) dm, (usually pubescent throughout, rarely subglabrate distally, trichomes stellate). Basal leaves: petiole 1-4(-5) cm, (rarely minutely ciliate near base); blade oblanceolate to obovate, (0.8-)2-4.5(-6) cm × (4-)10-20(-25) mm, margins entire, repand, or dentate, (not ciliate), apex obtuse, surfaces pubescent, trichomes short-stalked, stellate. Cauline leaves (2-)4-6(-9); blade oblong or ovate, 1-3.5(-4.5) cm × (3-)6-10(-20) mm, base not auriculate, margins entire, repand, or dentate, apex obtuse or acute, surfaces pubescent, trichomes short-stalked, stellate. Racemes simple, (dense). Fruiting pedicels ascending to divaricate, 7-18(-25) mm. Flowers: sepals (purple), oblong, (4-)5-6.5(-8) × 1.5-2 mm, lateral pair saccate basally; petals purple, spatulate, (10-)12-16(-20) × 4-6(-7) mm, apex rounded; filaments (4-)5-8 mm; anthers narrowly oblong, 1.3-2 mm. Fruits suberect to divaricate, sometimes slightly curved, slightly torulose, (2.8-)3.5-6 cm × 1.5-2 mm; valves each with prominent midvein extending to middle or full length; ovules 20-34 per ovary; style 0.5-1(-1.5) mm. Seeds winged distally, oblong, 1.7-2.2 × 0.9-1.2 mm; wing 0.2-0.5 mm wide. 2n = 32.
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