Flora of North America species comparison

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

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.

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

involucellar bractlets silvery-lepidote.

sepals 4.5–5.5(–7) mm;

petals red-orange, 8–15 mm;

anthers yellow.

1 per mericarp, brown, usually glabrous.

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.

= 20.