Fleshy, glab. to sparsely pubescent herb, with basal and cauline lvs; taproot rather slender, deeply descending; branches ∞, slender, spreading, lfy, up to c. 10 cm. long. Lvs 1 to 5 cm. long, crenate to entire, narrow oblong-spathulate to linear-spathulate on narrow flat petioles. Fls us. many, up to 1 cm. diam., corymbosely arranged; sepals 3-5 mm. long, oblong; petals 7-10 mm. long, white, obovate-spathulate (sts drying pink), limb 3-4 mm. broad. Silicles oblong, 8-14 mm. long, on slender pedicels up to 2.5 cm. long; wings ± 2 mm. broad, forming a narrow sinus. Style 2-5 mm. long, far exserted; stigma small. Seeds ∞, testa pitted, red-brown; radicle long, slender.
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