Flora of North America species comparison

stipules subulate, 2 mm;

petiole shorter than blade;

blade ± concolorous, ovate, 2–10 cm (often smaller), somewhat longer than wide, base cordate, margins irregularly serrate, apex acute, surfaces minutely stellate-pubescent.

stipules subulate, 6–8 mm;

petiole usually shorter than blade;

blade slightly discolorous, ovate, 2–10 cm, longer than wide, base truncate to cordate, margins obscurely to prominently crenate-serrate, apex usually acuminate, surfaces roughly pubescent.

solitary flowers or terminal panicles.

solitary flowers or racemose panicles.

calyx 3–5 mm, lobes not overlapping, reflexed in fruit, lanceolate-ovate, to 8 mm wide;

corolla yellow throughout, petals 5–10 mm;

staminal column glabrous;

style 6–9-branched.

calyx 9–12 mm, basally truncate, lobes basally overlapping, erect in fruit, acuminate, to 8 mm wide;

corolla rotate, orange-yellow throughout, petals 10–12 mm;

staminal column pubescent;

style 8–10-branched.

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

3 per mericarp, 3 mm, reticulately scabridulous.

cask-shaped, 8–9 × 8–9 mm;

mericarps: apex acute or apiculate, surface tomentulose.

± ovoid, 9–14 × 10–16 mm;

mericarps: apex acuminate, surface uniformly stellate-pubescent and with simple hairs on abaxial margins.

= 14.

= 28.