Perennial herb with short stout rootstock. Stems erect, glabrous, straight, purplish or green, up to 20 cm tall. Lvs glabrous to hairy, brownish or green, shiny, coriaceous or thin. Basal lvs simple, crenate or entire, elliptic to obovate-spathulate, long-cuneate at base, obtuse to subacute, sometimes with 1-2 short lobes near base. Cauline lvs 0 or 1-2 among whorl of fls, similar to rosette lvs. Infl. straight, glabrous, ± corymbose but sometimes racemose, or sessile and appearing as many solitary fls. Pedicels glabrous, erecto-patent to spreading, (3)-10-40 mm long at fruiting. Sepals glabrous, rarely sparsely hairy, usually purplish, sometimes green, 1.5-2 × 0.7-1 mm. Petals white, erect, narrow-oblong, cuneate, (2)-3 × (0.6)-1 mm. Stamens 6. Silique pale brownish to purple, erect to erecto-patent, (5)-10-30 × c. 1 mm; valves glabrous; style 0.5-1 mm long. Seeds circular to broad-oblong, brown, 0.8-1 mm long.
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Glab. to glabrate herb up to 3 cm. or more tall; stock often branched above; lvs radical or crowded on arrested branches, somewhat fleshy, up to c. 5 cm. long; lamina up to 2 cm. long, obovate to obovate-spathulate, entire to irregularly pinnatifidly lobed, often sparsely ciliate, narrowed into petiole up to c. 3 cm. long. Fls solitary; pedicels spreading to suberect, rather stout, elongating in fr. to c. 3 cm. Sepals ovate-oblong to oblong, c. 1·5 mm. long, or sts almost = petals; petals narrow-spathulate, clawed, c. 3-4 mm. long. Siliques erect, up to 2.5 cm. × 1·5 mm.; style c. 0·5 mm. long. Seeds c. 20.
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