Flora of North America species comparison

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Eucephalus breweri

Eucephalus elegans

Brewer's aster

elegant aster
Habit Perennials, 10–100 cm (caudices woody). Perennials 30–70 cm (caudices woody; herbage scabrous).
Stems

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

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

sparsely to densely woolly and glandular.

glandular-puberulent.
Involucres

turbinate-cylindric, 6–10 mm.

turbinate-cylindric, 6–9 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 (often purplish at margins), ovate, margins eciliate, apices acute, abaxial faces moderately to densely puberulent and glandular.
Heads

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

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

strigose;

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

strigose;

pappus bristles in 2 series, barbellate.
Rays

0.

usually 5 or 8, purple.
2n

= 18.

= 18.

Eucephalus breweri

Eucephalus elegans
Phenology Flowering Jul–Sep. Flowering Jul–Aug.
Habitat Open coniferous forest and subalpine meadows Open meadows, aspen forests, rocky open slopes
Elevation 1500–3000(–3500) m (4900–9800(–11500) ft) 1100–3200 m (3600–10500 ft)
Distribution
from FNA
CA; NV
[WildflowerSearch map]
[BONAP county map]
from FNA
CO; ID; MT; NV; OR; UT
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[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.)
Source FNA vol. 20, p. 40. FNA vol. 20, p. 40.
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. engelmannii, E. glabratus, E. glaucescens, E. gormanii, E. ledophyllus, E. paucicapitatus, E. tomentellus, E. vialis
Synonyms Chrysopsis breweri, Aster breweri, Heterotheca breweri Aster perelegans, E. perelegans
Name authority (A. Gray) G. L. Nesom: Phytologia 77: 254. (1995) Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 298. (1840)
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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