Flora of North America species comparison

erect, terete when young, minutely tomentulose.

erect, stellate-tomentulose and with simple hairs 2–4 mm.

stipules subulate, 3 mm;

petiole ca. 1/2 times as long as blade;

blade concolorous, ovate, to 6 cm, longer than wide, base cordate, margins irregularly serrulate or crenate, apex acute or acuminate, surfaces densely tomentulose, obscured by pubescence.

stipules filiform, 8 mm;

petiole subequal to blade;

blade ± discolorous, ovate, mostly 6–10 cm, longer than wide, base cordate, margins crenate, apex rounded-acute, surfaces softly tomentulose.

solitary flowers or in open panicles.

solitary flowers.

calyx 3–5 mm, lobes not overlapping, spreading or somewhat reflexed in fruit, lanceolate-ovate;

corolla reflexed, yellow or pink with dark red center, petals 4–6 mm;

staminal column pubescent;

style 5-branched.

calyx 12–15 mm, lobes basally overlapping, erect, cordate, accrescent to 15–20 mm;

corolla yellowish throughout, fading pinkish, petals 20 mm;

staminal column glabrous;

style 12-branched.

3 per mericarp, 2 mm, puberulent but appearing glabrous.

4–6 per mericarp, 2 mm, puberulent.

cask-shaped, not medially constricted, 7–9 × 6 mm;

mericarps: apex acute or apiculate, surface tomentulose.

± oblate, 12–15 × 20–25 mm;

mericarps: apex apiculate, surface prominently hirsute, hairs 1–2 mm.

= 14.

= 14.