Flora of North America species comparison

erect to ascending, branched distally.

cauline;

petiolate or subsessile;

blade (base not auriculate), not rosulate;

margins pinnatifid.

(sometimes absent);

petiolate, subsessile, or sessile;

blade base auriculate or not, margins usually entire or dentate, rarely pinnatifid.

often short-stalked, sessile, or subsessile, usually forked or dendritic, rarely malpighiaceous, sometimes simple or absent.

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

ebracteate, often elongated in fruit.

sepals (erect or slightly ascending), oblong-ovate;

petals white or purplish, obovate to oblanceolate, (longer than sepals, claw undifferentiated from blade, apex obtuse);

stamens slightly tetradynamous;

filaments not dilated basally;

anthers ovate, (apex obtuse);

nectar glands confluent, subtending bases of stamens.

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.

divaricate-ascending, slender.

(siliques or silicles), sessile, usually linear to oblong, rarely ovate-oblong, not torulose, slightly to strongly angustiseptate;

valves each not veined, glabrous or, rarely, sparsely puberulent;

replum rounded;

septum complete;

ovules 30–46 per ovary;

stigma capitate, entire.

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.

uniseriate, plump, not winged, oblong;

seed coat not mucilaginous when wetted;

cotyledons incumbent.

biseriate, sub-biseriate, uniseriate, or, rarely, aseriate;

cotyledons accumbent or incumbent.