Stems (0.8-)1-2.5(-3.2) dm, glabrous. Basal leaves: petiole to 2 cm (ciliate, trichomes to 0.4 mm); blade (rigid) narrowly to broadly oblanceolate, 1-5 cm × 3-6(-9) mm, base attenuate to cuneate, apex acute, surfaces glabrous or, rarely, margins ciliate to apex. Cauline leaves 3-5; blade linear to lanceolate, (0.6-)1-1.8(-2.5) cm × 1-3 mm, surfaces glabrous, sometimes margins ciliate, apex acute. Racemes somewhat lax in fruit. Fruiting pedicels sometimes appressed to rachis, straight, 3-9 mm, glabrous. Flowers: sepals 1.7-2.5 × 0.8-1.5 mm; petals 2.8-4 × 1.5-2 mm, attenuate to clawlike base; filaments 1.5-2.5 mm; anthers 0.4-0.6 mm. Fruits ascending to erect, (0.7-)1-1.8(-2.4) cm × 1-1.5 mm; style 0.1-0.4 mm. Seeds 2-3 × 0.7-1 mm. 2n = 14.
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