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 subequal to blade proximally, shorter distally, with stellate hairs 0.1–0.3 mm;

blade concolorous, ovate to hastate, narrowly so upward, 3–9 cm, membranous, base truncate, margins coarsely crenate-dentate, apex acute, surfaces minutely and obscurely stellate-hairy, hairs simple, bifurcate adaxially.

usually panicles.

racemes or panicles.

1–5 cm.

2–7 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 3–7 mm, accrescent to 6–8 mm, lobes without dark midrib, apex acute, densely tomentose;

petals pale yellow, not fading reddish, 6–8 mm, ciliate on claw;

staminal column glabrous or with few apical hairs;

style 10–13-branched;

stigmas glabrous.

without enclosing endocarp.

enclosed in endocarp.

6 mm diam., minutely hairy;

mericarps 5, dorsally rounded.

7–9 mm diam., densely hairy;

mericarps 10–13, with dorsal spur 1–2 mm.

= 30.

= 60.