Stems 6-10 dm. Leaf blades: proximal lobed 4/5 distance to midrib; distal not clasping. Inflorescences: bud prickles simple. Capsules sparingly prickly. Flowering spring-summer; fruiting summer-fall. Dry hills, pinyon-juniper zone; of conservation concern; 1900-2200 m; N.Mex. This subspecies is restricted to the west slope of the Sacramento Mountains in New Mexico.