Sericocarpus oregonensis

Plants 24-102 cm. Stems erect, hairy. Leaves basal and proximal-most cauline withering by flowering; cauline sessile; blades broadly lanceolate to narrowly ovate, 10-100 × 3-20 mm, margins entire, apices acuminate to acute, faces hairy. Heads 2-4 per branch, in corymbiform arrays. Peduncle bracts broadly lanceolate to narrowly ovate, hairy. Involucres 5-7 mm at flowering. Phyllaries in 3-4 series, puberulent, outer series 3-5 mm, mid series 4-6 mm. Ray florets 2-6; straps 3-6 mm, corolla tubes 3-4 mm. Disc florets 9-20; corolla tubes 3-5 mm, lobes 1-2 mm. Ovaries fusiform, 1-3 mm, strigose; pappi: inner series 5-7 mm.