Plants perennial. Stems ascending, white to silvery, 1–4 (–6) dm, silvery stellate-lepidote. Leaf-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. Inflorescences racemose, lax, open, 3–12-flowered, tip not leafy; involucellar bractlets silvery-lepidote. Flowers: sepals 4.5–5.5 (–7) mm; petals red-orange, 8–15 mm; anthers yellow. Schizocarps 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. Seeds 1 per mericarp, brown, usually glabrous. 2n = 20.

Phenology: Flowering spring–summer.
Habitat: Dry rocky areas
Elevation: 1500–1800 m

Distribution

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Ariz., Colo., Nev., N.Mex., Tex., Utah, Mexico (Chihuahua), Mexico (Sonora)

Discussion

Selected References

None.

Lower Taxa

None.

"usually wider" is not a number."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.