Flora of North America species comparison

often folded, to 68 mm, petiolate to 8 cm to sessile distally;

stipules 2–5 mm;

blade ovate to triangular, 1–11.5 cm, base cordate, margins crenate or dentate to denticulate, apex acuminate.

solitary flowers, rarely in groups of 3–5.

calyx campanulate, 3–10 mm;

petals rose, pink, or pale lavender, 12–21 mm.

1 per mericarp, brown to blackish, 1.9 mm, minutely scabridulous.

8–12 mm diam.;

mericarps 9 or 10, 6–10 mm, sparsely stellate-hairy, lower cell reticulate, upper cell with 2 abortive ovules (rarely developing), wings lanceolate.

= 30.