Perennials, 60-120 cm (caudices stout). Stems erect, pilose to glandular-pubescent. Leaves: middle and distal cauline blades lanceolate-elliptic, 5-9 cm × 15-30 mm, abaxial faces usually glabrous, sometimes sparsely pubescent, adaxial faces glandular-pubescent. Heads 5-50(-120) in racemiform to paniculiform arrays. Peduncles stipitate-glandular. Involucres turbinate, 8-10 mm. Phyllaries in 3-6 series (sometimes reddish at margins and apices), linear to linear-oblong (strongly unequal), apices acute to acuminate, abaxial faces stipitate-glandular. Ray florets 0. Cypselae pilose; pappus bristles in 2 series, smooth or ± barbellate.

Flowering Jul. Dry open oak or coniferous woods; of conservation concern; 200-500 m; Oreg.

Eucephalus vialis is only known from Lane and Douglas counties. It is considered threatened. It is in the Center for Plant Conservation´s National Collection of Endangered Plants.