Flora of North America species comparison

(simple or several from base), erect, branched basally and distally.

basal and cauline;

petiolate or subsessile;

basal rosulate, petiolate, blade lyrate to pinnatifid, margins crenate-dentate;

cauline subsessile or petiolate, blade (base not auriculate), margins dentate or pinnatifid.

petiolate or sessile;

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

absent or simple.

(corymbose, several-flowered), considerably elongated in fruit.

usually ebracteate, often elongated in fruit.

sepals widely spreading or reflexed, oblong, lateral pair not saccate basally;

petals yellow, obovate to spatulate, claw differentiated from blade, (apex obtuse);

stamens tetradynamous;

filaments not dilated basally;

anthers oblong or ovate, (apex obtuse);

nectar glands not confluent, median glands present.

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.

erect, stout.

siliques, dehiscent, sessile, segments 2, linear, slightly torulose, terete or slightly 4-angled; (proximal segment not torulose, somewhat corky at maturity, 8–20-seeded; terminal segment indehiscent, 1- or 2-seeded, slightly swollen apically);

valves 3(–7)-veined, usually glabrous, rarely sparsely pubescent;

replum rounded;

septum complete;

ovules 10–22 per ovary; (style present);

stigma capitate, entire.

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, globose;

seed coat (smooth to finely reticulate), mucilaginous when wetted;

cotyledons conduplicate.

biseriate, uniseriate, or aseriate;

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

or biennials;

not scapose;

pubescent.

= 7.