Annual to perennial herbs, with simple bristles. Leaves lobed; basal leaves pinnately lobed or pinnate, with large terminal lobe, stem leaves smaller. Inflorescence a branched raceme. Sepals erect; petals with long claw, yellow, white or purple; stamens 6; ovary sessile. Fruit sessile, elongate (at least 3 times as long as broad, excluding beak), indehiscent, sessile, cylindric or constricted between seeds and articulating at constriction; stigma bilobed; valves ribbed; seeds numerous, globular, 1 row per locule, beak seedless, slender, conical.
8 species, from western and central Europe, Mediterranean to central Asia; 3 species established in Australia.
All species have large, indehiscent fruits.