Flora of North America species comparison

erect, green to gray-green, 2.5–9 dm, gray-green canescent.

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

blades green to gray-green, triangular, unlobed or weakly 5-lobed, to 4.5 cm, not rugose, base cuneate to truncate, margins coarsely toothed, 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.

narrowly paniculate, crowded, few–many-flowered, flowers in clusters, tip not leafy;

involucellar bractlets green to tan.

racemose, open, flowers usually 1 per node, tip leafy;

involucellar bractlets tan.

sepals 4–9 mm, tips forming weak beak in bud;

petals red-orange, 11–14 mm;

anthers yellow.

sepals 4.5–8 mm;

petals red-orange, 10–17 mm;

anthers yellow.

1 per mericarp, brown, slightly hairy.

1 per mericarp, dark brown to black, glabrous or pubescent.

spheric;

mericarps 12, 3.5–4 × 2.5–3 mm, chartaceous, nonreticulate dehiscent part 55% of height, tip acute, with reflexed 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.