Perennials, ashy white, to 15+ cm, arachnose to floccose. Stems spreading, often prostrate. Leaves mostly alternate; blades not lobed, spatulate, 10-25 × 3-6 mm, margins entire or toothed. Peduncles 0-5+ mm, tomentose. Calyculi of 3-5 linear bractlets, lengths 1/2+ phyllaries. Involucres obconic, 6-7 mm. Phyllaries 12-14, margins of outer distinct less than 1/5 their lengths, abaxial faces tomentose. Ray florets 10-15; corollas bright yellow, becoming greenish, laminae 5 × 3 mm. Disc florets ca. 60; corollas yellow, 3 mm. Cypselae 2.3-3 mm; pappi of 5 erose scales to 1 mm alternating with 5 lanceolate, 1-aristate scales to 3 mm. 2n = 16. Flowering year round, following rains. Calcareous outcrops and derived soils; 50-200+ m; Tex.; Mexico (Coahuila, Nuevo León, Tamaulipas).
