Flora of North America species comparison

erect or decumbent, branched basally and distally.

basal and cauline;

petiolate or subsessile;

basal rosulate, petiolate, blade margins dentate, sometimes repand, rarely pinnatifid;

cauline petiolate, sessile, or subsessile, blade margins entire, dentate, or repand.

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.

(densely corymbose), considerably elongated or not elongated in fruit.

ebracteate, often elongated in fruit.

sepals erect, linear or oblong-linear, (forming tube, connivent), lateral pair saccate basally;

petals (erect), white, lavender, or purplish, lingulate, (longer than sepals), claw undifferentiated from blade;

stamens (erect), tetradynamous;

filaments not dilated basally, (filiform);

anthers narrowly linear or sagittate;

nectar glands: lateral annular, median confluent with lateral; (gynophore to 0.5 mm).

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, stout, (straight, with 2 well-developed glands basally).

silicles, sessile or shortly stipitate, didymous, not winged, strongly angustiseptate;

valves 1-seeded, ovate, suborbicular, or slightly broader than long, keeled, enclosing seeds when falling off, indurated around margin, (rim raised), pubescent (with branched or clavate, simple papillae);

replum concealed by valve margin;

septum complete;

ovules 2 per ovary;

style distinct, (pubescent);

stigma 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.

aseriate, flattened, not winged, oblong;

seed coat (smooth), not mucilaginous when wetted;

cotyledons accumbent.

biseriate, uniseriate, or aseriate;

cotyledons accumbent or incumbent.

= 10.