Perennials, 50-100 cm. Leaves opposite (proximal) or alternate (distal); petioles 1-8 mm; blades ovate to deltate-ovate or lance-olate (distal), 2-10 × 1.3-7 cm, margins serrate or serrulate, faces strigose. Heads borne singly or 2-9 in ± corymbiform arrays. Peduncles 1-15 cm. Involucres 11-15 × 7-15 mm. Phyllary apices gradually narrowed. Paleae 8-11 mm, apices acuminate, shortly cuspidate. Ray florets 6-8; tubes 1.5-2 mm, laminae 9-19 mm. Disc florets 40+; corollas 5.5-6.6 mm (staminal filaments glabrous). Cypselae 5-6.5 mm, ± strigose; pappi of 2 lacerate, aristate scales 5-5.5 mm plus 2-4 lacerate scales 0.5-1.3 mm. Flowering Jul-Sep. Dry slopes and canyons, mostly pine forests and limestone soils; 1300-2700 m.

Santa Catalina Mountains
Location: Incinerator Ridge Trailhead.
8/27/15

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