Flora of North America species comparison

ascending to decumbent, unbranched or branched distally.

basal and cauline;

petiolate or sessile;

basal rosulate, petiolate, blade margins usually sinuately lobed to dentate, rarely repand;

cauline petiolate or sessile, blade similar to basal.

petiolate, sessile, or subsessile;

blade base usually not auriculate (except Paysonia), margins entire, dentate, or sinuate.

usually short-stalked, subsessile, or sessile, sometimes long-stalked, stellate, scalelike, subdendritic, or forked, sometimes mixed with simple ones.

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

ebracteate, often elongated in fruit.

sepals spreading, narrowly oblong, (equal), lateral pair not saccate basally;

petals white to violet [purple], broadly obovate, (much longer than sepals), claw differentiated from blade, (much shorter, apex rounded);

stamens tetradynamous;

filaments not dilated basally, (somewhat spreading);

anthers linear [narrowly oblong];

nectar glands confluent, subtending bases of stamens.

actinomorphic;

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

petals white, yellow, lavender, purple, violet, orange, or brown [pink], claw present, often distinct;

filaments unappendaged, not winged;

pollen (3 or) 4–11-colpate.

divaricate or divaricate-ascending, slender.

silicles, sessile, broadly oblong [broadly elliptic], smooth, angustiseptate;

valves carinate;

replum rounded;

septum complete;

ovules 10–50 per ovary;

style distinct;

stigma broadly capitate, entire.

silicles or siliques, dehiscent, unsegmented, terete, latiseptate, or angustiseptate;

ovules 2–100 per ovary;

style usually distinct;

stigma entire or strongly 2-lobed.

± biseriate, flattened, not winged, narrowly margined, broadly ovate;

seed coat (nearly smooth), copiously mucilaginous when wetted;

cotyledons accumbent.

biseriate, uniseriate, or aseriate;

cotyledons accumbent or incumbent.

= 10.