Flora of North America species comparison

(simple or few to several from base), erect or ascending, usually branched distally.

cauline;

not rosulate, petiolate, subsessile, or sessile, blade (somewhat fleshy, becoming leathery when dry, base not auriculate), margins entire, denticulate, or coarsely dentate.

(corymbose, few- to several-flowered, sometimes bracteate proximally), elongated in fruit.

sepals ascending to erect, oblong, lateral pair usually not saccate basally (slightly saccate in H. linearifolius, apex of median pair cucullate or not);

petals white, lilac, lavender, purple, or yellow (sometimes with darker veins), spatulate, claw differentiated or not from blade;

stamens tetradynamous or subequal;

filaments not dilated basally;

anthers oblong to linear, (apex obtuse or apiculate);

nectar glands: lateral annular or lunar, median glands often confluent with lateral.

divaricate to ascending or suberect, slender.

sessile or stipitate, linear, not torulose, terete or slightly latiseptate;

valves each with prominent midvein;

replum rounded;

septum complete;

ovules 8–110 per ovary;

style distinct;

stigma capitate or conical, entire or 2-lobed (lobes prominent, connivent).

uniseriate, plump, not winged, oblong;

seed coat not or slightly mucilaginous when wetted;

cotyledons incumbent or obliquely so.

= 11.