Flora of North America species comparison

blade (ovate), margins entire or pinnatifid.

petiolate or sessile;

blade base auriculate or not, margins entire, dentate, serrate, or pinnately lobed.

absent or simple.

usually ebracteate, often elongated in fruit.

actinomorphic;

sepals erect, ascending, or spreading, lateral pair saccate or not basally;

petals white, cream, yellow, pink, lilac, lavender, or purple, claw present, often distinct;

filaments unappendaged, not winged;

pollen 3-colpate.

(oval in cross-section) fusiform, 16–25 mm, not constricted at articulation, (4- or 8-sulcate or striate);

terminal segment less than 2 times length of proximal, apex tapering abruptly, acute.

silicles or siliques, dehiscent or indehiscent, usually segmented, usually latiseptate or terete (subterete or 4-angled in Erucastrum) [angustiseptate];

ovules (1–)2–276[–numerous] per ovary;

style usually distinct (absent in Cakile, obscure in Carrichtera, obsolete in Eruca);

stigma entire or strongly 2-lobed (sometimes slightly 2-lobed in Cakile).

biseriate, uniseriate, or aseriate;

cotyledons usually conduplicate, rarely accumbent or incumbent (in Cakile).

= 18.