Flora of North America species comparison

usually hirsute basally, rarely glabrescent, trichomes often simple, sometimes branched.

blade surfaces sparsely to densely pubescent, trichomes simple and stalked.

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.

usually ebracteate, often elongated in fruit.

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.

(3.5–)4–5.8(–6) cm;

style (0.2–)0.5–1 mm, (rarely stout).

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.

biseriate or uniseriate [rarely aseriate];

cotyledons accumbent.

= 32.