Flora of North America species comparison

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Eucephalus paucicapitatus
Eucephalus paucicapitatus

Olympic mountain-aster
Habit 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.
Peduncles

stipitate-glandular.
Involucres

turbinate-obconic, 7–9 mm.
Phyllaries

in 2–3 series (whitish), lance-linear (unequal), apices acute, abaxial faces stipitate-glandular.
Heads

usually 2–4 in racemiform to corymbiform arrays, somtimes borne singly.
Cypselae

obconic, pilose;

pappus bristles in 2 series, ± barbellate.
Rays

7–13(–21), white.

Eucephalus paucicapitatus
Phenology Flowering Jul–Aug.
Habitat Open subalpine meadows or scree slopes
Elevation 800–3300 m [2600–10800 ft]
Distribution
map from FNA
WA; BC
[WildflowerSearch map]
[BONAP county map]
Discussion

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

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Parent taxa Asteraceae > tribe Astereae > Eucephalus
Sibling taxa
E. breweri, E. elegans, E. engelmannii, E. glabratus, E. glaucescens, E. gormanii, E. ledophyllus, E. tomentellus, E. vialis
Synonyms Aster engelmannii var. paucicapitatus, Aster paucicapitatus
Name authority (B. L. Robinson) Greene: Pittonia 3: 56. (1896)
Source FNA vol. 20, p. 42. Treatment author: Geraldine A. Allen.
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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