Flora of North America species comparison

erect or decumbent, unbranched or branched distally.

basal and cauline;

petiolate or sessile;

basal rosulate, petiolate, margins entire, denticulate, or dentate;

cauline blade (base auriculate or subamplexicaul [sagittate]), margins entire or dentate.

sessile;

blade base usually auriculate, sometimes amplexicaul, margins usually entire.

[simple or] absent.

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

ebracteate, elongated or not in fruit.

sepals erect, oblong, or ovate [obovate];

petals white, pink, or purple, spatulate [obovate, oblanceolate, oblong, or, rarely, broadly linear], (longer than sepals), claw obscurely differentiated from blade, (apex obtuse or rounded);

stamens slightly tetradynamous;

filaments not dilated basally;

anthers ovate [oblong], (apex obtuse);

nectar glands lateral, 2 and subtending stamens, or 4 and 1 on each side of stamen.

actinomorphic;

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

petals white, pink, or purple, claw present, often obscure;

filaments unappendaged, not winged;

pollen 3-colpate.

horizontal or, rarely, ascending, slender.

sessile, obcordate, obovate, obdeltate, elliptical, or oblong, smooth, strongly angustiseptate, (winged or not winged apically);

valves each obscurely to prominently veined, strongly keeled;

replum rounded;

septum complete;

ovules 4–14[–24] per ovary;

style included in, or much exceeding, apical notch;

stigma capitate.

silicles, dehiscent, unsegmented, angustiseptate;

ovules 4–24 per ovary;

style distinct;

stigma entire.

plump or slightly compressed, not winged, ovoid [oblong];

seed coat (longitudinally, minutely reticulate to nearly smooth), not mucilaginous when wetted;

cotyledons accumbent.

uniseriate;

cotyledons accumbent.

= 7.