Flora of North America species comparison

usually erect, rarely prostrate, [unbranched] branched basally.

basal and cauline;

petiolate;

basal rosulate, blade margins lobed, pinnatipartite to lyrate, or 1- or 2-pinnatisect, [entire or dentate];

cauline blade similar to basal, (base not auriculate).

petiolate or sessile;

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

absent or simple.

(corymbose), greatly elongated in fruit.

usually ebracteate, often elongated in fruit.

sepals erect, connivent, obtuse [narrowly oblong], lateral pair usually saccate basally, (setulose proximal to apex);

petals yellow (usually with dark brown, maroon, or purple veins), obovate, claw differentiated from blade, (apex obtuse);

stamens tetradynamous;

filaments not dilated basally, slender;

anthers linear, (base sagittate);

nectar glands: lateral glands lobed, median glands usually absent.

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.

usually ascending to patent [reflexed], rarely erect, slender.

siliques, dehiscent, sessile or subsessile, segments 2, linear, torulose, terete; (terminal segment 1–6-seeded, indehiscent, ensiform to cylindrical, linear, smooth);

valves each 3(–5)-veined, glabrous;

replum rounded;

septum complete;

ovules 4–100 per ovary;

stigma capitate, 2-lobed.

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).

uniseriate, plump, not winged, subglobose [globose, oblong];

seed coat (reticulate), slightly mucilaginous when wetted;

cotyledons conduplicate.

biseriate, uniseriate, or aseriate;

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

= 12.