Plants usually annual, sometimes biennial. Stems erect, yellow, 5–12 dm, stellate-canescent. Leaf-blades yellow-green to pale green, trullate with straight or rounded appearance or triangular with subhastate lobes, apical lobes distinctly triangular, 2-lobed, 3–5 cm, not rugose, base tapered to truncate, margins entire or wavy, surfaces stellate-canescent. Inflorescences paniculate, crowded, many-flowered, flowers clustered, tip not leafy; involucellar bractlets green to tan. Flowers: sepals 4–7 mm; petals red-orange, 10–12 mm; anthers yellow. Schizocarps ± hemispheric; mericarps 12–17, 2.5–3 × 2–3 mm, chartaceous, nonreticulate dehiscent part 30–40% of height, tip rounded, indehiscent part wider than dehiscent part. Seeds 1 per mericarp, brown, glabrous or pubescent. 2n = 10.

Phenology: Flowering spring.
Habitat: Dry, sandy, ± alkaline places
Elevation: ?50–900 m

Distribution

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• Legacy Map

Ariz., Calif., Mexico (Baja California), Mexico (Baja California Sur), Mexico (Sonora)

Discussion

Sphaeralcea orcuttii has distinctive trullate leaf blades and an erect habit.

Selected References

None.

Lower Taxa

None.

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