Perennials or, rarely, biennials; eglandular. Trichomes often short-stalked, sessile, or subsessile, usually forked or dendritic, rarely malpighiaceous, sometimes simple or absent. Cauline leaves (sometimes absent); petiolate, subsessile, or sessile; blade base auriculate or not, margins usually entire or dentate, rarely pinnatifid. Racemes ebracteate, often elongated in fruit. Flowers actinomorphic; sepals erect, ascending, or spreading, lateral pair usually not saccate basally; petals white, yellowish, pink, lavender, or purple, claw present, often indistinct; filaments unappendaged, not winged; pollen 3-colpate. Fruits usually siliques, rarely silicles, dehiscent, unsegmented, usually latiseptate, rarely terete or slightly angustiseptate; ovules [2–]4–250 per ovary; style usually distinct, rarely obsolete; stigma usually entire, rarely 2-lobed. Seeds biseriate, sub-biseriate, uniseriate, or, rarely, aseriate; cotyledons accumbent or incumbent.
Distribution
North America, Asia (Russian Far East).
Discussion
Genera 7, species 119 (7 genera, 117 species in the flora).
Selected References
None.