Fleshy rosette herb up to c. 25 cm. tall; stock stout, taproot deeply descending. Lvs radical, rosulate, ± clad in flat hairs when young, densely imbricate, on petioles up to 2 cm. long. Lamina up to 2 cm. long, spathulate to ovate-spathulate, ± dentate-serrate to crenate, obtuse to subacute, abruptly narrowed to base. Scape stout, bearing ∞ crowded fragrant fls in a short pyramidal raceme, elongating to ± 25 cm. in fr. Fls on pedicels ± 5 mm. long, perfect, ± 1 cm. diam.; sepals 4-7 mm. long, oblong, us. with scattered flat hairs; petals 8-12 mm. long, white, obovate-spathulate, limb 4-5 mm. broad. Silicles up to 2.5 cm. long, obovate to obcordate in outline, including the broad wings, on stout pedicels 4-5 mm. long; wings ± fleshy, 3-4 mm. broad; sinus broad; style ± 1 mm. long, not > wings; stigma broad. Seeds us. many, subreniform, ± 1 mm. diam.; testa pitted, reddish brown; radicle long, often twice folded.
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