Flora of North America species comparison

erect, green or gray-green, 1.5–4(–10) dm, white- to yellow-canescent.

ascending, gray-green, red-purple basally, 2–5.5 dm, pubescent.

blades gray to green, ovate, unlobed or weakly 3–5-lobed, 1–5.5 cm, not rugose, base cuneate to cordate, margins entire or crenate to serrate, surfaces stellate-pubescent.

blades gray-green, cordate, pedately divided with usually 5 main lobes, 1–4.5 cm, not rugose, base cordate to truncate, margins entire, surfaces densely stellate-pubescent.

paniculate, crowded, flowers clustered with distinct internodes between clusters, tip not leafy;

involucellar bractlets usually green to tan, sometimes red-purple.

paniculate, crowded, tip not leafy;

involucellar bractlets reddish.

sepals 6–9 mm, tip not forming distinct beak in bud;

petals red-orange, 8–14 mm;

anthers yellow.

sepals 7.5–12 mm;

petals red-orange, 12–17 mm;

anthers yellow.

1 per mericarp, gray or black, ± pubescent.

1(or 2) per mericarp, brown to black, glabrous or stellate-pubescent.

ellipsoid;

mericarps 12, 3.5–5.5 × 1.5–3 mm, chartaceous, nonreticulate dehiscent part 60–70% of height, with or without apical cusp, indehiscent part not wider than dehiscent part.

hemispheric;

mericarps 10–14, 3–4 × 2–3 mm, chartaceous, nonreticulate dehiscent part 50–65% of height, tip rounded, indehiscent part not wider than dehiscent part, sides reticulate.

= 10, 20.