Perennials; long-lived; apomictic; caudex usually woody. Stems 1-3 per caudex branch, arising from margin of rosette near ground surface, 0.4-1.6 dm, densely pubescent proximally, trichomes short-stalked, 2-5-rayed, 0.05-0.2 mm, glabrous or sparsely pubescent distally. Basal leaves: (petiole glabrous); blade linear-oblanceolate, 1-3 mm wide, margins entire, rarely ciliate proximally, trichomes to 0.5 mm, surfaces densely pubescent, trichomes short-stalked, 2-5-rayed, 0.05-0.2 mm. Cauline leaves: 3-6, not concealing stem; blade auricles 0(-0.3) mm, surfaces of distalmost leaves sparsely to moderately pubescent. Racemes 5-8-flowered, unbranched. Fruiting pedicels ascending to divaricate-ascending, straight, 2-6 mm, glabrous or sparsely pubescent, trichomes appressed, branched. Flowers ascending at anthesis; sepals pubescent; petals purple, 4-5 × 1-1.5 mm, glabrous; pollen spheroid. Fruits ascending to divaricate-ascending, not appressed to rachis, not secund, straight, edges parallel, 2.5-4.8 cm × 2.5-3.2 mm; valves glabrous; ovules 26-34 per ovary; style 0.1-0.3 mm. Seeds uniseriate, 2.5-3.5 × 1.5-2.5 mm; wing continuous, 0.2-0.9 mm wide.
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