Flora of North America species comparison

ribbed, tomentose.

smooth, glabrous.

blade ovate to reniform, 9-20 × 8-15 cm, base cordate, sinus depth 1-2 cm, apex obtuse to acute;

surfaces abaxially tomentose;

venation palmate-pinnate.

blade ovate to hastate, 3-lobed, 3-8 × 2-7 cm, base cordate to sagittate, sinus depth to 1 cm, apex acute or acuminate;

surfaces glabrous;

venation palmate.

on new growth, axillary, solitary flowers;

peduncle not bracteolate, 1-7 cm.

on new growth, axillary, solitary flowers;

peduncle bracteolate, 1-1.5 cm;

bracteoles ovate to lanceolate, to 15 mm.

calyx yellow-green, sharply bent;

utricle pendent, globose to cylindric, 0.5-1 × 0.5-0.8 cm;

syrinx absent;

tube bent, cylindric, 1-3 × 0.5 cm;

annulus rugulose;

limb yellow, 3-lobed, lobes triangular, 2 × 2 cm, glabrous;

gynostemium 3-lobed, globose, 3 mm;

anthers 6;

ovary 6-locular, 1-7 cm.

calyx brown-purple, straight;

utricle angled upward, ovoid, 0.5-5 × 0.5 cm;

syrinx funnel-shaped, 2 mm;

tube upright, cylindric, 1 × 0.25 cm;

annulus absent;

limb brownish red, 1-lobed, lobe narrowly cordate to narrowly ovate, 1-6 × 0.75 cm, glabrous;

gynostemium 5-lobed, crown-shaped, 2-3 mm;

anthers 5;

ovary 5-locular, 1-1.5 cm.

ellipsoid to cylindric, 6-8 × 4-6 cm, dehiscence basipetal;

valves 3;

septa entire, not attached to valves.

globose to ovoid, 1.5 × 1-3 cm, dehiscence basipetal;

valves 5;

septa entire, not attached to valves.

flat, triangular, 1 × 1 cm.

flat, triangular, 0.5 × 0.5 cm.

= 28.