Flora of North America species comparison

erect or decumbent, often branched distally.

cauline and sometimes basal;

petiolate or sessile;

basal rosulate or not, sessile [petiolate], blade (somewhat fleshy), margins entire [dentate to pinnatifid];

cauline petiolate or sessile, blade margins entire, dentate, or pinnatifid.

(sometimes absent), petiolate or sessile;

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

simple or absent.

(corymbose), elongated or not in fruit.

ebracteate, usually elongated in fruit.

sepals ascending [erect], ovate or oblong;

petals (zygomorphic, outer [abaxial] pair larger than inner [adaxial] pair), white or pink to purple, obovate [oblanceolate], claw often distinct;

stamens tetradynamous;

filaments not dilated basally;

anthers ovate or oblong, (apex obtuse);

nectar glands (4), lateral, 1 on each side of lateral stamen.

usually zygomorphic, rarely actinomorphic;

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

petals white, pink, or purple, claw present, often distinct;

filaments not or rarely appendaged;

pollen 3-colpate.

spreading, divaricate, descending, or ascending, slender.

sessile, (winged), suborbicular or ovate [obcordate], not torulose, keeled, strongly angustiseptate;

valves not veined, (winged), glabrous;

replum rounded;

septum complete;

ovules 2 per ovary;

stigma capitate, entire or 2-lobed.

silicles, dehiscent, unsegmented, angustiseptate;

ovules 2 or 4 per ovary;

style usually distinct (sometimes absent in Teesdalia);

stigma entire or 2-lobed.

flattened, often winged, ovate [orbicular to reniform];

seed coat mucilaginous or not when wetted;

cotyledons accumbent.

usually aseriate, rarely uniseriate;

cotyledons accumbent.

= 7, 8, 9, 11.