Stems usually many, clumped, often glabrous or glabrate basally, sparsely to densely retrorse-puberulent distally. Leaf blades 0.5–3.5 × 1–3.5 cm. Inflorescences cymose, usually broad; branches ± equal throughout; involucres 5–7 mm; bracts 60–70% connate, lobes ovate-triangular orovate-oblong, base often 70–100% of height, apex obtuse or acute. Flowers: perianth usually white, (rarely white tinged with pink at base, or pale pink). Fruits gray-brown, dark charcoal brown, often dark mottled, often faintly marked with 10 paler longitudinal lines, ellipsoid, obovoid, or almost spheric, occasionally wider than long, 3.5–5 × 2.6–4 mm. 2n = 62, 64, 66.

Phenology: Flowering late winter and spring, most vigorously in spring, occasionally in summer.
Habitat: Desert brushlands, banks
Elevation: 100-2000 m

Distribution

• Generated Map
• Legacy Map

Ariz., Calif., Nev., Oreg., Utah, Mexico (Baja California).

Discussion

Selected References

None.

Lower Taxa

None.