Flora of North America species comparison

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Eucephalus breweri

Eucephalus glaucescens

Brewer's aster

Klickitat aster
Habit Perennials, 10–100 cm (caudices woody). Perennials, 40–160 cm (with caudices; herbage glabrous, ± glaucous).
Stems

ascending to erect, glabrate or woolly, eglandular or glandular.

erect, glabrous.
Leaves

mid and distal blades linear-lanceolate to ovate, 2–5 cm × 6–15 mm, faces glabrate and eglandular to moderately glandular and/or woolly.

mid and distal blades linear to narrowly lance-elliptic, 4–10 cm × 4–16 mm.
Peduncles

sparsely to densely woolly and glandular.

glabrous or sparsely stipitate-glandular.
Involucres

turbinate-cylindric, 6–10 mm.

turbinate to campanulate, 7–9 mm.
Phyllaries

in 3–4 series (sometimes reddish along margins), lance-linear to lance-oblong, ± subequal, margins eciliate, apices acuminate, abaxial faces glabrate and eglandular to moderately woolly or glandular.

in 3–5 series (reddish distally), linear to lanceolate or lance-ovate (unequal), apices acuminate, abaxial faces sparsely stipitate-glandular.
Heads

1–15(–35) in racemiform to corymbiform or paniculiform arrays.

5–20(–60) in racemiform to paniculiform arrays.
Cypselae

strigose;

pappus bristles in 1 series (6–10 mm), barbellate.

obconic, flattened, strigose;

pappus bristles in 2 series, smooth or ± barbellate.
Rays

0.

commonly 8 or 13, purple.
2n

= 18.

Eucephalus breweri

Eucephalus glaucescens
Phenology Flowering Jul–Sep. Flowering Jul–Sep(–Oct).
Habitat Open coniferous forest and subalpine meadows Open coniferous woods, meadows, brushy slopes
Elevation 1500–3000(–3500) m (4900–9800(–11500) ft) 800–1500 m (2600–4900 ft)
Distribution
from FNA
CA; NV
[WildflowerSearch map]
[BONAP county map]
from FNA
WA
[WildflowerSearch map]
[BONAP county map]
Discussion

Eucephalus breweri is found in the Sierra Nevada. Specimens at the northern edge of the range may intergrade with E. glabratus and E. tomentellus.

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

Of conservation concern.

Eucephalus glaucescens is known from the vicinity of Mt. Adams in Klickitat, Skamania, and Yakima counties. Intermediates with E. ledophyllus have been reported.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 40. FNA vol. 20, p. 41.
Parent taxa Asteraceae > tribe Astereae > Eucephalus Asteraceae > tribe Astereae > Eucephalus
Sibling taxa
E. elegans, E. engelmannii, E. glabratus, E. glaucescens, E. gormanii, E. ledophyllus, E. paucicapitatus, E. tomentellus, E. vialis
E. breweri, E. elegans, E. engelmannii, E. glabratus, E. gormanii, E. ledophyllus, E. paucicapitatus, E. tomentellus, E. vialis
Synonyms Chrysopsis breweri, Aster breweri, Heterotheca breweri Aster engelmannii var. glaucescens, Aster glaucescens, Aster glaucophyllus, Aster serrulatus, E. glaucophyllus, E. serrulatus
Name authority (A. Gray) G. L. Nesom: Phytologia 77: 254. (1995) (A. Gray) Greene: Pittonia 3: 56. (1896)
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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