Flora of North America species comparison

1–2 m, paniculately branched;

herbage sparsely hispid, hairs simple, forked, and stellate.

0.3–1.2 m;

herbage harshly stellate-hairy.

blades 5- or 7-lobed, 5–10 cm wide, lobes lanceolate to triangular, base truncate to cordate, margins with coarse rounded to pointed teeth.

blades shallowly and crenately 3-lobed or deeply 3- or 5-lobed with terminal lobe narrowly oblong and toothed apically, 1.5–8 cm wide, lobes triangular, base cuneate to truncate, margins irregularly serrate, sinuses narrow.

solitary flowers or few-flowered clusters forming open panicles;

involucellar bractlets linear to linear-lanceolate, 5–10 × 1 mm, 1/3–1/2 calyx length.

solitary flowers or few-flowered clusters;

involucellar bractlets linear to subulate, 5–8 × 1 mm, ca. 1/2 – 2/3 calyx length.

calyx 15–20 mm, lobes lanceolate to ovate-lanceolate, 10–15 mm, longer than wide, exceeding tube, hirsute with few-rayed hairs 1–2 mm;

petals deep rose-purple, 1.5–2.5 cm.

calyx 9–12 mm, lobes broadly ovate, 4–6 × 4–6 mm, ± as wide as long, ± equaling tube;

petals rose-purple, 1.5–3 cm.

3 or 4, dark brown, 2 mm, finely stellate-puberulent.

depressed-globose, 10–15 mm diam.;

mericarps ca. 10–12, 8–10 mm.