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FNA | Family List | FNA Vol. 20 | Asteraceae | Eucephalus

1. Eucephalus breweri (A. Gray) G. L. Nesom, Phytologia. 77: 254. 1995.

Brewer’s aster

Chrysopsis breweri A. Gray, Proc. Amer. Acad. Arts 6: 542. 1866; Aster breweri (A. Gray) Semple; Heterotheca breweri (A. Gray) Shinners

Perennials, 10–100 cm (caudices woody). Stems ascending to erect, glabrate or woolly, eglandular or glandular. Leaves: mid and distal blades linear-lanceolate to ovate, 2–5 cm × 6–15 mm, faces glabrate and eglandular to moderately glandular and/or woolly. Heads 1–15(–35) in racemiform to corymbiform or paniculiform arrays. Peduncles sparsely to densely woolly and glandular. Involucres turbinate-cylindric, 6–10 mm. Phyllaries in 3–4 series (sometimes reddish along margins), lance-linear to lance-oblong, ± subequal, margins eciliate, apices acuminate, abaxial faces glabrate and eglandular to moderately woolly or glandular. Rays 0. Cypselae strigose; pappus bristles in 1 series (6–10 mm), barbellate. 2n = 18.

Flowering Jul–Sep. Open coniferous forest and subalpine meadows; 1500–3000(–3500) m; Calif., Nev.

Eucephalus breweri is found in the Sierra Nevada. Specimens at the northern edge of the range may intergrade with E. glabratus and E. tomentellus.


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