Herbs perennial, cespitose, densely pubescent, with simple or rarely few-branched caudex covered with petiolar remains of previous seasons. Trichomes subsessile, (5–)7–12-rayed stellate, with ascending or subappressed soft rays, simple trichomes absent. Multicellular glands absent. Stems erect to ascending, simple, leafy, not spiny. Basal leaves petiolate, rosulate, simple, entire, densely pubescent; cauline leaves sessile and cuneate to attenuate, not auriculate at base, entire. Racemes many flowered, ebracteate, corymbose, elongated considerably in fruit; rachis straight, pubescent; fruiting pedicels divaricate, straight, pubescent, persistent. Sepals oblong-linear, free, deciduous erect, pubescent, unequal, base of lateral pair strongly saccate; petals purple to crimson red, erect at base with flaring blade, longer than sepals; blade linear-oblanceolate or rarely obovate, obtuse; claw strongly differentiated from blade, subequaling sepals, flattened or rarely slender, glabrous, unappendaged; stamens 6, slightly exserted, erect, tetradynamous; filaments wingless, unappendaged, glabrous, free; anthers narrowly oblong, not apiculate; nectar glands 4, lateral, one on eaxh side of lateral stamens, median glands absent; ovules 4–8 per ovary; placentation parietal. Fruit dehiscent, capsular silicles, obovate or rarely suborbicular or elliptic, strongly latiseptate not inflated, unsegmented; valves thickened, leathery, indurated at margins, veinless or with an obscure midvein at base, glabrous inside and outside, not keeled, smooth, wingless, unappendaged; gynophore 0.5–1.5 mm long; replum rounded concealed by valve margins; septum complete, membranous, veinless; style 5–7(–10) mm long, filiform, caducous but lowermost part usually persistent; stigma capitate, entire, unappendaged. Seeds biseriate, broadly winged all around, suborbicular, strongly flattened; seed coat not 2mucilaginous when wetted; cotyledons accumbent.