Flora of North America species comparison

erect, unbranched or branched.

basal and cauline;

petiolate [sessile];

basal rosulate [not rosulate], blade margins entire, dentate, or pinnatifid;

cauline similar to basal.

petiolate [sessile];

blade base not auriculate [auriculate], margins usually dentate.

stalked, forked, and simple.

(corymbose), considerably elongated in fruit.

ebracteate or bracteate, elongated [not elongated] in fruit.

sepals oblong [linear], (sometimes connivent), lateral pair strongly saccate basally, (pubescent or glabrous);

petals obovate [oblong], (much longer than sepals), claw distinctly differentiated from blade, (apex rounded [obtuse]);

stamens strongly tetradynamous;

filaments (erect), slender or dilated basally;

anthers linear [oblong], (apex obtuse);

nectar glands (2), lateral, annular or lunar.

actinomorphic;

sepals erect, lateral pair often saccate basally;

petals white, lavender, or purple [yellow, orange, green, or brown], claw present, distinct;

filaments unappendaged, not winged;

pollen 3-colpate.

divaricate or ascending [reflexed], slender or stout.

tardily dehiscent, sessile, linear, torulose;

valves each with prominent midvein, glabrous;

replum rounded;

septum complete;

ovules 4–40 per ovary;

style obsolete or distinct (relatively short);

stigma conical (lobes prominent, connivent or distinct, decurrent).

siliques, dehiscent, unsegmented, terete [4-angled, latiseptate];

ovules 4–40[–numerous] per ovary;

style obsolete or distinct;

stigma strongly 2-lobed.

plump, not winged, oblong;

seed coat (reticulate), not mucilaginous when wetted;

cotyledons incumbent.

uniseriate;

cotyledons incumbent.