Flora of North America species comparison

ascending, white to silvery, 1–4(–6) dm, silvery stellate-lepidote.

ascending, usually dark red-purple, 4–10 dm, glabrous or stellate-canescent.

blades white to silvery, linear to triangular, mostly unlobed, proximalmost blades 3-parted, rarely with nonfiliform lobes, 1–3.5 cm, not rugose, base truncate to cuneate, margins entire, surfaces silvery stellate-lepidote.

blades green, gray, or gray-green, ovate to cordate-ovate, 3- or 5-lobed, main lobe unlobed in 3-lobed leaves, cleft in 5-lobed leaves, lobes spatulate, 1.2–4 cm, not rugose, base truncate to cordate, margins entire, surfaces stellate-pubescent.

racemose, lax, open, 3–12-flowered, tip not leafy;

involucellar bractlets silvery-lepidote.

paniculate, open, 2–few-flowered per node, tip not leafy;

involucellar bractlets green.

sepals 4.5–5.5(–7) mm;

petals red-orange, 8–15 mm;

anthers yellow.

sepals 5–13 mm;

petals red-orange, 15–20(–25) mm;

anthers purple or yellow.

1 per mericarp, brown, usually glabrous.

2 per mericarp, black, pubescent.

flattened-spheric to conic;

mericarps 7–9, 2.5–3.5 × 2–3 mm, thick-coriaceous, nonreticulate dehiscent part 20–40% of height, tip muticous-mucronulate, indehiscent part usually wider than dehiscent part, sides coarsely reticulate.

hemispheric;

mericarps 10–15, 4.5–5.5 × 3 mm, chartaceous, nonreticulate dehiscent part 40–50% of height, tip acutish, indehiscent part wider than dehiscent part, sides prominently reticulate.

= 20.