Flora of North America species comparison

1–2 m, paniculately branched;

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

0.5–2 m;

herbage sparsely 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 deeply (3-), 5-, or 7-lobed, 5–20 cm wide, lobes triangular-ovate, broadest at base, base truncate to cordate, margins coarsely dentate.

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.

clusters forming interrupted spikes to corymbose racemes distally;

involucellar bractlets linear-subulate, 3–6(–8) × 1 mm, 1/3–2/3 as long as calyx.

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 5–8(–11) mm, lobes triangular-ovate to obtuse, 2.5–4(–5.5) mm, ± as wide as long, slightly exceeding tube;

petals pinkish white to rose-purple, 1.8–2.5 cm.

(2 or)3 or 4, dark brown, 2 mm, puberulent.

10–12 mm diam.;

mericarps 8–12, 6–10 mm.

= 66.