Leaves mostly 25-50 mm, relatively even in lengths to heads. Involucres 3-3.8 mm. Ray corollas 2-3 mm. Cypselae 1-1.4 mm. 2n = 16. Flowering (Apr-)Jun-Nov(-Dec). Gravelly, sandy, or loamy flats, rocky slopes, crevices and ledges, streambeds, creosote bush to pinyon-juniper and pine-oak-maple; (300-)600-2300(-2700) m; Ariz., N.Mex., Tex.; Mexico (Chihuahua, Coahuila, Nuevo León, Tamaulipas, San Luis Potosí); Central America (Guatemala).

Plant: Subshrub to 1 m Leaves: leaves glutinous, alternate, oblong-lanceolate to linear, entire, 3-8 cm long References: L. Benson & R. Darrow. Trees and Shrubs of the Southwestern Deserts. Kearney & Peebles. Arizona Flora. ASU specimens.