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Olympic mountain-aster

elegant aster

Habit Perennials 20–55 cm (caudices woody). Perennials 30–70 cm (caudices woody; herbage scabrous).
Stems

ascending to erect, pilose or glandular-pubescent.

erect, moderately scabrous and/or glandular.

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.

mid and cauline blades linear-oblong or linear-lanceolate, 2–6 cm × 3–10 mm, faces moderately scabrous and ± short-stipitate-glandular.

Peduncles

stipitate-glandular.

glandular-puberulent.

Heads

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

3–8(–15) in racemiform to corymbiform arrays.

Involucres

turbinate-obconic, 7–9 mm.

turbinate-cylindric, 6–9 mm.

Phyllaries

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

in 3–5 series (often purplish at margins), ovate, margins eciliate, apices acute, abaxial faces moderately to densely puberulent and glandular.

Cypselae

obconic, pilose;

pappus bristles in 2 series, ± barbellate.

strigose;

pappus bristles in 2 series, barbellate.

Rays

7–13(–21), white.

usually 5 or 8, purple.

2n

= 18.

Eucephalus paucicapitatus

Eucephalus elegans

Phenology Flowering Jul–Aug. Flowering Jul–Aug.
Habitat Open subalpine meadows or scree slopes Open meadows, aspen forests, rocky open slopes
Elevation 800–3300 m [2600–10800 ft] 1100–3200 m [3600–10500 ft]
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.)

Distribution
from FNA
WA; BC
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[BONAP county map]
from FNA
CO; ID; MT; NV; OR; UT
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Parent taxa Asteraceae > tribe Astereae > Eucephalus Asteraceae > tribe Astereae > Eucephalus
Sibling taxa
E. breweri, E. elegans, E. engelmannii, E. glabratus, E. glaucescens, E. gormanii, E. ledophyllus, E. tomentellus, E. vialis
E. breweri, E. engelmannii, E. glabratus, E. glaucescens, E. gormanii, E. ledophyllus, E. paucicapitatus, E. tomentellus, E. vialis
Synonyms Aster engelmannii var. paucicapitatus, Aster paucicapitatus Aster perelegans, E. perelegans
Name authority (B. L. Robinson) Greene: Pittonia 3: 56. (1896) Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 298. (1840)
Source Flora of North America vol. 20, p. 42. Flora of North America vol. 20, p. 40.
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