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 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.

solitary flowers.

usually racemes or panicles.

4–12 cm, often exceeding leaf.

1–3 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 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.

with or without enclosing endocarp.

with endocarp absent or incomplete.

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

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

6–8 mm diam., minutely hairy;

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

= 30, 60, 90.

= 26, 28.