Flora of North America species comparison

erect, terete when young, minutely tomentulose.

erect, stellate-pubescent and with ± retrorse, simple hairs 2 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 caducous, subulate, 5 mm;

petiole equaling or to 2 times length of blades of lower leaves;

blade discolorous, ovate, 2.5–6.5 cm, longer than wide, base cordate, margins coarsely dentate, apex acute, abaxial surface softly stellate-pubescent, adaxial surface with appressed simple and bifurcate hairs 1 mm.

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 6–8 mm, lobes not overlapping, erect in fruit, ovate;

corolla yellow-orange throughout, not fading pinkish, petals 8–12 mm;

style 6–8-branched.

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

3 per mericarp, 2.5 mm, minutely scabridulous.

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

mericarps: apex acute or apiculate, surface tomentulose.

± ovoid, 10 × 10 mm;

mericarps: apex spinose, spines 2–3 mm, stellate-pubescent and ciliate on keel, hairs 1.5 mm.

= 14.

= 14.