Using Fryxell (1988), the distribution is described as being from Arizona and New Mexico [also El Paso Co., Texas] into Sonora and Chihuahua with disjunct populations in Guerrero, Veracruz and Oaxaca. New Mexico records are from the Peloncillo and Fl...
Densely tufted perennial 5-25 cm tall, covered with minute, harsh, retrorsely barbed hairs that give the surface the texture of shark skin or a cat's tongue; basal leaves spatulate, dentate, with 2-4 teeth per side, or sometimes the smallest leaves n...
Dense, more or less hemispherical, perennial herb or sub-shrub from a branched, woody caudex, 1-3 dm high; stems and leaves pubescent with appressed, 3-rayed to dendritic trichomes; leaves alternate, succulent, (18-)22-40(-48) mm long, (4-)6-12(-14) ...