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Olympic mountain-aster

Cascade aster

Habit Perennials 20–55 cm (caudices woody). Perennials, 20–80 cm (caudices stout).
Stems

ascending to erect, pilose or glandular-pubescent.

erect, pilose to stipitate-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 distal blades lance-elliptic to oblong, 2.5–7 cm × 5–20 mm, glabrous or sparsely pubescent abaxially, ± densely cottony and sometimes stipitate-glandular adaxially.

Peduncles

stipitate-glandular.

pilose to stipitate-glandular.

Heads

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

3–20 in racemiform to corymbiform arrays.

Involucres

turbinate-obconic, 7–9 mm.

turbinate, 7–11 mm.

Phyllaries

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

in 3–5 series (usually reddish at margins and apices), lanceolate (strongly unequal), apices acute to acuminate, abaxial faces puberulent to stipitate-glandular.

Cypselae

obconic, pilose;

pappus bristles in 2 series, ± barbellate.

pilose;

pappus bristles in 2 series, smooth or ± barbellate.

Rays

7–13(–21), white.

5–21, purple.

2n

= 18.

Eucephalus paucicapitatus

Eucephalus ledophyllus

Phenology Flowering Jul–Aug.
Habitat Open subalpine meadows or scree slopes
Elevation 800–3300 m [2600–10800 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.)

eucephalus ledophyllus may intergrade with e. engelmannii in the northern part of its range

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Distribution
from FNA
WA; BC
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; OR; WA
[WildflowerSearch map]
[BONAP county map]
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. elegans, E. engelmannii, E. glabratus, E. glaucescens, E. gormanii, E. paucicapitatus, E. tomentellus, E. vialis
Subordinate taxa
E. ledophyllus var. covillei, E. ledophyllus var. ledophyllus
Key
1.Peduncles glandular or not, at least ± woolly or cottony; rays usually 13 or 21E. ledophyllus var. ledophyllus
1.Peduncles glandular, not cottony; rays usually 5 or 8E. ledophyllus var. covillei
Synonyms Aster engelmannii var. paucicapitatus, Aster paucicapitatus Aster engelmannii var. ledophyllus, Aster ledophyllus
Name authority (B. L. Robinson) Greene: Pittonia 3: 56. (1896) (A. Gray) Greene: Pittonia 3: 55. (1896)
Source Flora of North America vol. 20, p. 42. Flora of North America vol. 20, p. 41.
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