Flora of North America species comparison

persistent, some withering in 2d year as new leaves expand;

blade cordate to reniform, 25+ mm wide, leathery, base cordate to lobate, margins incised-crenate, teeth apices obtuse to rounded, surfaces glabrous or hairy;

basal veins extending into distal 1/2 of blade, lateral veins 2–4 on each side of midvein.

persistent, some withering in 2d year as new leaves expand;

blade ovate or cordate, 25+ mm wide, not leathery, base cordate to lobate, margins ± incised-crenate or laciniate to ± pinnatifid, sometimes ± palmately lobed, teeth apices obtuse to rounded, surfaces sparsely hairy;

basal veins extending into distal 1/2 of blade, lateral veins 2–4 on each side of midvein.

decumbent, to 18 cm in fruit;

sterile bracts usually 0;

flowers 5–10, loosely aggregated.

erect, to 16 cm in fruit;

sterile bracts 2+, ovate-spatulate, sometimes 1+ cm;

flowers 10–50, loosely aggregated.

epipetalous.

epipetalous.

ovules 4.

glabrous or sparsely hairy at apex;

ovules 10–16.

sparsely hairy.

glabrous or sparsely hairy.

4.

4.

(3 or)4(or 5), apex entire or erose;

corolla blue, ± regular, campanulate, much longer than calyx, puberulent-villous in throat, tube conspicuous.

(3 or)4(or 5), apex entire or erose;

corolla blue, ± regular, campanulate, much longer than calyx, glabrous, tube conspicuous.