Annuals, 10–35(–40) cm. Leaves mostly opposite (distal often alternate); petioles (0–)4–11 mm; blades ovate to ovate-deltate or trullate, 1–3.5(–5) cm, margins serrate. Heads in open, lax, subcorymbiform or paniculiform (sometimes nearly cylindric) arrays. Peduncles (1–)3–10 mm, stipitate-glandular. Involucres 6–8 mm. Phyllaries stipitate- and sessile-glandular, apices acute. Corollas white, lobes sparsely hirsute. Pappi surpassing corollas. 2n = 22.

Phenology: Flowering (Aug–)Sep–Oct.
Habitat: Grassy openings, damp and shady, oak, oak-walnut, oak-pine, and pinyon pine-ponderosa pine woodlands
Elevation: 1800–2700 m

Distribution

• Generated Map
• Legacy Map

Ariz., N.Mex., Mexico.

Discussion

Selected References

None.

Lower Taxa

None.