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

8. Eucephalus paucicapitatus (B. L. Robinson) Greene, Pittonia. 3: 56. 1896.

Olympic Mountain aster

Aster engelmannii (D. C. Eaton) A. Gray var. paucicapitatus B. L. Robinson, Proc. Amer. Acad. Arts 26: 176. 1891 (as engelmanni); A. paucicapitatus (B. L. Robinson) B. L. Robinson

Perennials 20–55 cm (caudices woody). Stems ascending to erect, pilose or glandular-pubescent. Leaves: mid and distal blades elliptic to elliptic-oblong, 2–4 cm × 4–13 mm, sparsely scabrous to stipitate-glandular abaxially, moderately stipitate-glandular adaxially. Heads usually 2–4 in racemiform to corymbiform arrays, somtimes borne singly. Peduncles stipitate-glandular. Involucres turbinate-obconic, 7–9 mm. Phyllaries in 2–3 series (whitish), lance-linear (unequal), apices acute, abaxial faces stipitate-glandular. Rays 7–13(–21), white. Cypselae obconic, pilose; pappus bristles in 2 series, ± barbellate.

Flowering Jul–Aug. Open subalpine meadows or scree slopes; 800–3300 m; B.C.; Wash.

Eucephalus paucicapitatus is found on Vancouver Island, where it is very uncommon, and the Olympic Peninsula. It is closely related to E. gormanii.


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