Flora of North America species comparison

erect, unbranched basally, branched distally.

basal and cauline;

petiolate or sessile;

basal not rosulate, shortly petiolate, blade margins entire, dentate, or denticulate;

cauline blade (base sagittate or strongly auriculate), margins usually entire, rarely denticulate.

usually sessile, rarely petiolate or subsessile;

blade base auriculate or not, margins usually entire, sometimes dentate or, rarely, lyrate.

stalked or sessile, stellate, dendritic, or forked, sometimes mixed with simple ones.

(corymbose, several-flowered, forming panicles), considerably elongated in fruit.

ebracteate [bracteate], often elongated in fruit.

sepals erect, oblong-ovate (pubescent);

petals yellow, spatulate, (longer than sepals), claw not differentiated from blade, (apex obtuse);

stamens slightly tetradynamous;

filaments not dilated basally;

anthers ovate, (apex obtuse);

nectar glands lateral, 1 on each side of lateral stamen.

actinomorphic;

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

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

filaments unappendaged, not winged;

pollen 3-colpate.

divaricate-ascending, slender.

silicles, nutletlike, indehiscent, subsessile, woody, compressed globose or sublenticular (readily detached from pedicel at maturity, apex truncate [umbonate]);

valves (1-seeded), prominently reticulate, glabrous;

replum rounded (obscured by valve margin);

septum complete;

ovules 2–4 per ovary; (style distinct, cylindrical, readily caducous at fruit maturity, leaving umbo or apicula);

stigma capitate.

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

ovules 2–200[–numerous] per ovary;

style often distinct;

stigma usually entire [2-lobed (subentire in Turritis)].

uniseriate, plump, not winged, ovoid;

seed coat (minutely reticulate), not mucilaginous when wetted;

cotyledons incumbent.

biseriate or uniseriate [aseriate];

cotyledons accumbent or incumbent.

= 7.