Flora of North America species comparison

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

erect, green to light gray, 1.5–3 dm, stellate-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 green to light gray, triangular, pedately divided, lobes relatively narrow, 1–2.8 cm, not rugose, base truncate to cordate, margins coarsely toothed, surfaces green to light gray stellate-canescent.

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

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

racemose, open, few-flowered, tip not leafy;

involucellar bractlets green to tan.

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

petals red-orange, 8–14 mm;

anthers yellow.

sepals 6–8 mm;

petals red-orange, 8–12 mm;

anthers yellow.

1 per mericarp, gray or black, ± pubescent.

1 per mericarp, brown to black, glabrous or 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 to flat-hemispheric;

mericarps 15–20, 4 × 2–2.4 mm, chartaceous, nonreticulate dehiscent part 60–75% of height, tip acute, indehiscent part wider than dehiscent part.

= 10, 20.

= 10.