Eucephalus paucicapitatus

(B. L. Robinson) Greene

Pittonia 3: 56. 1896.

Common names: Olympic Mountain aster
Basionym: Aster engelmannii var. paucicapitatus B. L. Robinson Proc. Amer. Acad. Arts 26: 176. 1891 (as engelmanni)
Synonyms: Aster paucicapitatus (B. L. Robinson) B. L. Robinson
Treatment appears in FNA Volume 20. Treatment on page 42. Mentioned on page 40, 41.

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.

Phenology: Flowering Jul–Aug.
Habitat: Open subalpine meadows or scree slopes
Elevation: 800–3300 m


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

Selected References


Lower Taxa