Flora of North America species comparison

erect, terete when young, minutely tomentulose.

erect, usually reddish or purplish, minutely glandular-pubescent to glabrate, without simple hairs, obscurely viscid.

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 lost early and seldom observed, subulate;

petiole subequal to blade;

blade markedly discolorous, broadly round-ovate, 8–10(–20) cm, ± as long as wide, base deeply cordate, margins obscurely serrulate, apex acuminate, surfaces softly pubescent.

solitary flowers or in open panicles.

terminal panicles.

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 3–6 mm, lobes not overlapping, not reflexed in fruit, lanceolate-ovate, to 8 mm wide;

corolla pale yellow throughout, petals 9–15 mm;

staminal column glabrous;

style 10-branched.

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

3 per mericarp, 2.5–3 mm, sparsely reticulately scabridulous.

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

mericarps: apex acute or apiculate, surface tomentulose.

globose, 7–10 mm;

mericarps: apex rounded or obtuse, stellate-tomentose.

= 14.