Flora of North America species comparison

erect, unbranched or branched proximally.

basal and cauline;

subsessile or sessile;

basal not rosulate, subsessile, blade margins usually entire;

cauline blade (base cordate-amplexicaul or, rarely, auriculate), margins usually entire, rarely crenulate.

(corymbose, several-flowered).

sepals oblong;

petals usually narrowly obovate, rarely oblanceolate, claw differentiated from blade [undifferentiated], (apex obtuse);

stamens slightly tetradynamous;

filaments not dilated, slender;

anthers oblong (base slightly sagittate);

nectar glands lateral, median glands often absent.

ascending, stout (almost as thick as fruit, or, rarely, much narrower).

sessile, linear, torulose, 4-angled or terete;

valves each with prominent midvein;

replum rounded;

septum complete;

stigmas capitate-flattened, entire.

not winged, oblong [ellipsoid];

seed coat (papillose), copiously mucilaginous (granular) when wetted;

cotyledons incumbent.

= 7 [9].