Flora of North America species comparison

erect, branched [unbranched].

basal and cauline;

petiolate or sessile;

basal rosulate or not, petiolate, blade margins usually lyrate-pinnatifid or pinnatipartite, rarely bipinnatisect or undivided;

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

(corymbose), greatly elongated in fruit.

sepals (sometimes persistent), erect, oblong [linear], (connivent), lateral pair saccate basally;

petals cream or yellow (with dark brown or purple veins), broadly obovate, claw differentiated from blade (± equal to sepals, apex obtuse or emarginate);

stamens strongly tetradynamous;

filaments not dilated basally;

anthers oblong or linear, (base sagittate, apex obtuse);

nectar glands (4), distinct, median pair present.

erect to ascending, stout.

siliques, dehiscent, sessile, segments 2, linear or oblong [elliptic], not torulose, terete or slightly 4-angled; (terminal segment indehiscent, flattened and ensiform, seedless);

valves each with prominent midvein, (coriaceous), glabrous, hirsute, or hispid;

replum rounded;

septum complete, (membranous);

ovules 10–50 per ovary; (style obsolete);

stigma conical, 2-lobed (lobes connivent, decurrent).

biseriate, plump, not winged, [sub]globose or ovoid;

seed coat (minutely reticulate), mucilaginous when wetted;

cotyledons conduplicate.

= 11.