Flora of North America species comparison

suberect to decumbent, with patent or retrorse, simple hairs, hairs 1 mm.

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 times to equaling blade, hispid;

blade concolorous, often with purple blotch along midvein, ovate, triangular, hastate, or sometimes palmately lobed, mostly 3–9 cm, membranous, base cordate, wide-rounded, or truncate, margins crenate to subentire, apex acute, surfaces sparsely hairy, hairs mostly simple, appressed, 1 mm.

usually panicles.

solitary flowers.

1–5 cm.

4–12 cm, often exceeding leaf.

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 5–10 mm, accrescent to 12–20 mm, lobes without dark midrib, apex acute, hispid;

petals purplish or lavender, rarely white, drying purplish, sometimes bluish, 8–26(–30) mm;

staminal column hairy;

style 10–19-branched;

stigmas glabrous.

without enclosing endocarp.

with or without enclosing endocarp.

6 mm diam., minutely hairy;

mericarps 5, dorsally rounded.

8–11 mm diam. (excluding spines), densely hispid;

mericarps 10–19, with dorsal spur 1.5–4 mm.

= 30.

= 30, 60, 90.