Erysimum L.
Annual to perennial taprooted herbs. Hairs branched, medifixed or stellate. Stems erect, leafy. Lvs simple, toothed to pinnatifid. Racemes ebracteate, often ± corymbose. Sepals erect, the inner usually saccate, the outer often horned at apex. Petals yellow or purple. Stamens 6, without appendages. Lateral nectaries 4, median 2, between stamen bases. Style up to (⅓) valve length; stigma capitate or slightly 2-lobed. Silique linear to narrow-oblong, dehiscent; valves 1-veined; beak 0. Seeds oblong, sometimes winged, in 1 row per locule.
100 spp., Europe, Mediterranean, some in C. Asia, N. America to Mexico. Naturalised sp. 1.
