in A. von Humboldt et al., Nov. Gen. Sp. 4(fol.): 110, plate 351. 1818.
4(qto.): 140. 1820.
Perennials, 40–100 cm. Leaves mostly alternate (usually crowded with axillary clusters of smaller leaves); petioles 0; blades (3–nerved) linear-oblong, linear-oblanceolate, or linear, mostly 2–5 cm, margins shallowly toothed distally or entire. Heads in open, subcorymbiform arrays. Peduncles mostly 5–30 mm, viscid-puberulent and stipitate-glandular. Involucres 6–8 mm, stipitate and sessile-glandular. Phyllaries stipitate and sessile-glandular, apices acute to acuminate. Corollas white or pink, purplish, or rose, lobes glandular and sparsely hispid-villous. Pappi ± equaling corollas. 2n = 22, 33, 44.
Phenology: Flowering Aug–Oct(–Nov).
Habitat: Roadsides, pastures, other disturbed sites
Elevation: 1500–2000 m
Ariz., Tex., Mexico, Central America
"fine" is not a number.