Stems pilosulous and stipitate-glandular. Leaves: petioles 10-25(-35+) mm; blades 25-35(-65+) × 20-35(-45+) mm. Peduncles 2-12(-25+) mm. Involucres 8-9+ mm. Corollas 3.5-4 mm. Cypselae 4.5-5 mm; pappi 3.5-5 mm. 2n = 20. Flowering Apr-Jul. Among rocks, stream banks, canyons; 400-1400 m; Tex.; Mexico (Chihuahua, Coahuila, Nuevo León).