Flora of North America species comparison

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

erect, yellow-green, 1.4–2(–3) dm, stellate-canescent.

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 yellow-green, triangular to deltate, usually 3-(or 5-)lobed, lobes unlobed or broadly oblanceolate, 1.3–3.5 cm, not rugose, base cuneate(-truncate), margins entire, surfaces sparsely 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, flowers usually 1 per node, tip leafy;

involucellar bractlets tan.

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

petals red-orange, 8–14 mm;

anthers yellow.

sepals 4.5–8 mm;

petals red-orange, 10–17 mm;

anthers yellow.

1 per mericarp, gray or black, ± pubescent.

1 per mericarp, dark 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.

flattened-hemispheric;

mericarps 9–13, 2–2.5 × 2 mm, chartaceous, nonreticulate dehiscent part 10–15% of height, tip acute, indehiscent part wider than dehiscent part, sides reticulate.

= 10, 20.