Trans. Amer. Philos. Soc., n. s. 7: 290. 1841.
Primary-stems simple or distally branched. Leaf-blades 10–70+ × 3–19+ mm. Involucres: lengths mostly 1–2 times diams. at flowering (living plants). Disc-florets: corollas mostly 4–8 mm, tubes 0.6–1.4 mm, glabrous, throats 2.8–5.5 mm, often sparsely puberulent, lobes 0.7–1.2 mm, sparsely to densely glandular-puberulent abaxially, papillate-ciliolate on margins and/or adaxially. Cypselae 2–5 mm, faces puberulent to pilose; pappi 3–8 mm. 2n = 10.
Phenology: Flowering year round, mostly Jul–Nov.
Habitat: Coastal scrub, coastal strand, chaparral, grasslands, coniferous forests, sometimes on serpentine
Elevation: 0–2000(–3000) m
Calif., Oreg., Mexico (Baja California)
"-2timesdiams" is not declared as a valid unit of measurement for this property."]" is not declared as a valid unit of measurement for this property.