Flora of North America species comparison

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

blade ovate to reniform or orbiculate, 25+ mm wide, chartaceous, base cordate to lobate, margins incised-crenate, teeth apices obtuse to rounded, surfaces ± 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 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.

erect, to 35 cm in fruit;

sterile bracts 2, fan-shaped, largest 2+ cm;

flowers 15–80, loosely aggregated.

decumbent, to 18 cm in fruit;

sterile bracts usually 0;

flowers 5–10, loosely aggregated.

epipetalous.

epipetalous.

ovules 2–7.

ovules 4.

glabrous or sparsely hairy along margins.

sparsely hairy.

4.

4.

(3 or)4(or 5), apex laciniate;

corolla blue to lavender with veins deeper colored (except tube yellowish white), ± regular, campanulate, much longer than calyx, glabrous, tube conspicuous.

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

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