Leaves: blades 2-7 cm, lobes oblong to triangular, abaxially ± floccose-tomentose, glabrate in age. Heads 3-5+ cm diam., nodding in bud. Paleae 7--13 mm, persistent after cypselae have fallen. Involucres broadly cylindric to campanulate, 15-35 mm. Phyllaries often with reddish tips and dots, outer broadly rounded, 2-6 mm, inner 15-35 mm. Cypselae 4-7 mm; pappi 20-27 mm. 2. = 14. Flowering Mar-May. Sandy washes, dry slopes, chaparral, pine-oak-juniper woodlands, montane coniferous forests; 20-2400 m; Ariz., Calif., Nev.; Mexico (Baja California). Anisocoma acaulis grows on the southwestern fringe of the Great Basin and in the Mojave and Sonoran deserts.
Este sitio es resultado de la colaboración entre los herbarios del noroeste de México y El Consorcio de SEINet. Está administrado por el Herbario de la Universidad de Sonora