Biennials or perennials; (short-lived, rarely cespitose, glau-cous). Stems simple or 2 from base (rarely several), erect or ascending, (0.7-)1-2.5(-3.2) dm, unbranched or branched distally. Basal leaves (soon withered; subrosulate); petiole (0.2-)0.4-1.4(-2) cm; leaf blades oblanceolate to spatulate, 0.3-1.5(-1.9) cm × 2-9 mm, base cuneate, margins entire or repand, apex obtuse. Cauline leaves 4-10(-12); blade ovate or suboblong, 0.5-2(-2.3) cm × 2-7(-8) mm, base minutely auriculate, margins entire, apex obtuse to subacute. Racemes (1-)2-13(-17) cm. Fruiting pedicels horizontal, straight, (2-)2.5-5.5(-8) mm. Flowers: sepals (1-)1.3-1.8(-2.2) × 0.4-0.7 mm, (margins white); petals white, 2-2.8(-3.6) × 0.6-1.2 mm, (erect), not flaring between blade and claw, apex obtuse; filaments 1-2.2 mm; anthers ca. 0.3 mm. Fruits not winged or, rarely, narrowly winged apically, obovate, (3.5-)5-7 × 2-3.5 mm, base cuneate, apex obtuse, truncate, or retuse; ovules 4-12 per ovary; style (0.2-)0.3-0.5(-0.6) mm. Seeds golden brown, 0.8-1.2 mm, smooth. 2n = 14.
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