Sericocarpus oregonensis
Trans. Amer. Philos. Soc., n. s. 7: 302. 1840.
Plants 24–102 cm. Stems erect, hairy. Leaves basal and proximalmost 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.
Distribution
Calif., Oreg., Wash.
Discussion
Subspecies 2 (2 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Stems and leaves sparsely hairy | Sericocarpus oregonensis subsp. oregonensis |
| 1 | Stems and leaves moderately to densely hairy | Sericocarpus oregonensis subsp. californicus |
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