Flora of North America species comparison

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

several from caudex, erect or ascending, (stiff, usually gyrose), 1–3 dm.

cauline;

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

(3–7 per stem);

petiolate (1–2 cm);

blade ovate to broadly so, (1–)1.5–4 cm × 10–35 mm, base obtuse, subtruncate, or cuneate, margins usually coarsely and irregularly dentate, rarely (distalmost) repand, apex obtuse or subacute.

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

few-flowered, (lax 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.

sepals purplish, 5–7 × 2–3 mm;

petals white to lavender or purplish (with darker veins), 9–14 × 2.5–4 mm, attenuate to clawlike base;

filaments 2–3 mm;

anthers linear, 2–2.5 mm;

gynophore obsolete to 0.5 mm.

divaricate to ascending or suberect, slender.

divaricate or ascending, straight or slightly curved, 6–14 mm.

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).

straight to strongly recurved, terete, (2–)3–5 cm × 1–1.2 mm;

ovules 26–42 per ovary;

style 0.7–1.5 mm;

stigma flat, entire.

uniseriate, plump, not winged, oblong;

seed coat not or slightly mucilaginous when wetted;

cotyledons incumbent or obliquely so.

1.2–1.5 × 0.6–0.9 mm.

= 11.