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 1/2 to equaling blade, with minute stellate and glandular hairs (hairs to 0.2 mm);

blade concolorous, sometimes with purple blotch along midvein, ovate-cordate to hastately 3-lobed at base (distally unlobed) or narrowly triangular, 5–8 cm (often smaller), membranous, base cordate to truncate, margins subentire, apex acute, surfaces minutely hairy, hairs usually stellate.

usually panicles.

usually racemes or panicles.

1–5 cm.

1–3 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 3.5–6 mm, accrescent to 6–8 mm, lobes without dark midrib, apex acute, stellate-hairy;

petals bluish lavender (darker at base), 4–7 mm;

staminal column stellate-hairy;

style 6–8-branched;

stigmas glabrous.

without enclosing endocarp.

with endocarp absent or incomplete.

6 mm diam., minutely hairy;

mericarps 5, dorsally rounded.

6–8 mm diam., minutely hairy;

mericarps 6–8, with dorsal spur to 1 mm.

= 30.

= 26, 28.