Shrubs, 50-150 cm. Stems erect, puberulous. Leaves opposite proximally, alternate on distal ¹/3-¹/2 of stem; petioles narrowly winged, 3-5(-8) mm; blades ovate to deltate-ovate, mostly 1-2 × 0.5-1.5(-2) cm, bases truncate to cuneate or attenuate, margins entire or shallowly crenate, apices acute to blunt or obtuse, abaxial faces gland-dotted. Heads clustered. Peduncles 1-3 mm, puberulent. Involucres 3.5-4.5 mm. Phyllaries: apices acute, abaxial faces puberulent. Corollas pinkish white to pink, glabrous. Cypselae sparsely hispidulous. Flowering (Jul-)Aug-Oct(-Nov). Limestone slopes, ledges, alluvium, in brushy vegetation; 1300-2200 m; Ariz., N.Mex., Tex.; Mexico.