Flora of North America species comparison

(few from base), ascending, branched.

basal and cauline;

petiolate or sessile;

basal not rosulate, shortly petiolate, blade margins entire or dentate;

cauline shortly petiolate or sessile, blade (base not auriculate), margins entire or dentate.

petiolate or sessile;

blade base auriculate or not, margins entire or dentate.

stalked or sessile, usually stellate, dendritic, cruciform, or forked, sometimes mixed with simple ones, rarely malpighiaceous.

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

usually ebracteate, often elongated in fruit.

(cleistogamous and/or chasmogamous);

sepals suberect, oblong, lateral pair not saccate basally, (glabrous or pubescent);

petals white, (usually rudimentary, or well-developed and exceeding sepals, rarely absent), spatulate or oblong, claw indistinct;

stamens subequal;

filaments slightly dilated or not basally;

anthers ovate to globose;

nectar glands lateral, each side of lateral stamens.

actinomorphic;

sepals erect, ascending, or spreading, lateral pair seldom saccate basally;

petals white, yellow, orange, pink, or purple, claw usually present, usually distinct;

filaments unappendaged, not winged;

pollen 3-colpate.

recurved or reflexed, slender or stout, (glabrous or pubescent).

(pendulous), silicles, indehiscent or very tardily dehiscent, sessile, usually orbicular or obovate to elliptic, rarely oblong, twisted or flattened, latiseptate;

valves each not veined or veins prominent, pubescent or glabrous;

replum rounded;

septum absent or complete;

ovules 2–12 per ovary;

style obsolete or distinct;

stigma capitate.

silicles or siliques, usually dehiscent, very rarely indehiscent, unsegmented, latiseptate or terete;

ovules 2–70(–88)[–110+] per ovary;

style usually distinct, sometimes obsolete;

stigma usually entire, rarely 2-lobed.

uniseriate, flattened, not winged, oblong;

seed coat not mucilaginous when wetted;

cotyledons accumbent.

biseriate or uniseriate [rarely aseriate];

cotyledons accumbent.