Flora of North America species comparison

erect, terete when young, minutely tomentulose.

erect, densely tomentulose, without simple hairs.

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 subulate, 3–5 mm;

petiole more than 1/2 as long as blade;

blade nearly concolorous, ovate, 4–6 cm, ± as long as wide, base truncate to cordate, margins sharply serrulate, apex acute, surfaces tomentulose, obscured by pubescence.

solitary flowers or in open panicles.

solitary flowers or open, 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 5–6 mm, lobes not overlapping, fully reflexed in fruit, lanceolate;

corolla rotate, yellow throughout, petals 10–15 mm;

staminal column with few stellate hairs apically;

style 5-branched.

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

3 per mericarp, 2 mm, puberulent.

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

mericarps: apex acute or apiculate, surface tomentulose.

± cylindric, 8–10 × 6–8 mm;

mericarps: apex long-acuminate, surface stellate-pubescent.

= 14.