Flora of North America species comparison

petiole subequal to blade or shorter upward, with simple hairs 0.5–1 mm and shorter glandular hairs;

blade concolorous, broadly ovate, gradually reduced and narrower upward, to 12 cm, membranous, base cordate, margins dentate, apex acuminate, surfaces minutely tomentose.

petiole shorter than blade, minutely, roughly hairy, hairs to 0.5 mm;

blade somewhat discolorous, ovate-triangular to lanceolate, 3–7(–12) cm, membranous, base truncate to cuneate, margins obscurely crenate to subentire, apex acute, surfaces hairy, hairs minute, stellate abaxially, simple, appressed adaxially.

usually panicles.

solitary flowers or panicles.

1–5 cm.

to 4(–6) cm.

calyx 5–7 mm, lobes with dark midrib, apex ± acuminate, tomentose;

petals pale yellow, drying reddish, 10 mm, prominently bearded on claw;

staminal column with recurved hairs;

style 5-branched;

stigmas glabrous.

calyx 6(–9) mm, accrescent to 9 mm, lobes without dark midrib, apex acute, minutely stellate-hairy;

petals bright yellow, 9–16 mm;

staminal column stellate-hairy;

style 10–12-branched;

stigmas glabrous.

without enclosing endocarp.

enclosed in endocarp.

6 mm diam., minutely hairy;

mericarps 5, dorsally rounded.

9 mm diam., densely stellate-hairy, hairs 0.5–1 mm;

mericarps 10–12, with dorsal spur 1–1.5 mm.

= 30.