Flora of North America species comparison

erect, often branched (many) distally.

basal and cauline;

petiolate, sessile, or subsessile;

basal not rosulate [rosulate], petiolate, blade margins entire, pinnatifid, or lyrate;

cauline sessile (subsessile distally), blade (base cuneate, attenuate), margins dentate or entire.

sessile or subsessile [petiolate];

blade base not auriculate, margins dentate or entire.

stalked, forked, or simple.

(corymbose or paniculate), considerably elongated in fruit.

ebracteate, often elongated in fruit.

sepals (yellowish green), oblong, (margins membranous), (glabrous, [pubescent or glandular]);

petals obovate, (longer than sepals), claw distinct or absent, (apex obtuse to emarginate);

stamens strongly tetradynamous;

filaments (yellowish), not dilated basally [dilated];

anthers oblong [ovate], (apex obtuse);

nectar glands confluent, subtending bases of stamens, median glands present.

actinomorphic;

sepals spreading or ascending [erect], lateral pair not saccate basally;

petals yellow, claw usually present [absent], often distinct;

filaments unappendaged [winged];

pollen 3-colpate.

divaricate, slender.

nutletlike, sessile, (readily detached from pedicel), oblong, ovoid, or subglobose, smooth, terete, 4-angled, or with 4 cristate wings, (1–4-loculed), (woody);

valves (not distinct) not veined, glabrous;

replum not distinct;

septum subwoody or absent;

ovules 2–4 per ovary;

style obsolete or distinct, (slender, filiform or subconical);

stigma capitate.

silicles [siliques], indehiscent [dehiscent], unsegmented, terete or 4-angled [latiseptate];

ovules 2–4[–numerous] per ovary;

style obsolete or distinct;

stigma entire [2-lobed].

plump [flattened], not winged, subglobose to ovoid [oblong];

seed coat (smooth), not mucilaginous when wetted;

cotyledons spirolobal.

aseriate [biseriate];

cotyledons spirolobal.

= 7.