Flora of North America species comparison

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

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.

petiole equaling or exceeding blade, shorter upward, scabridulous and with some glandular hairs, hairs to 0.2 mm;

blade concolorous, with purplish blotch along midrib, typically 3-lobed, lobes narrowly linear, reduced upward to simple linear leaves, 3–6 cm, membranous, base cordate to truncate, margins remotely serrate to subentire, apex subacute, surfaces minutely stellate-hairy.

solitary flowers.

solitary flowers or racemes.

4–12 cm, often exceeding leaf.

to 8.5 cm.

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.

calyx 5 mm, lobes with strong midrib, apex acute, densely hairy;

petals bluish purple, 5–6 mm, glabrous;

staminal column glabrous or nearly so;

style 10–11-branched;

stigmas glabrous.

with or without enclosing endocarp.

enclosed in endocarp.

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

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

6–7 mm diam., stellate-hairy;

mericarps 10 or 11, dorsally rounded.

= 30, 60, 90.