Flora of North America species comparison

erect to ascending, branched distally.

cauline;

petiolate or subsessile;

blade (base not auriculate), not rosulate;

margins pinnatifid.

(corymbose, several-flowered), congested or considerably 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.

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.

uniseriate, plump, not winged, oblong;

seed coat not mucilaginous when wetted;

cotyledons incumbent.