Flora of North America species comparison

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Eucephalus breweri

Eucephalus gormanii

Brewer's aster

Gorman's aster
Habit Perennials, 10–100 cm (caudices woody). Perennials, 10–40 cm (caudices woody or rhizomes short-creeping; herbage sparsely to moderately glandular-hairy, not glaucous).
Stems

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

ascending to erect, sparsely to moderately glandular-hairy.
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 lance-ovate to elliptic, 1.5–3 cm × 4–10 mm.
Peduncles

sparsely to densely woolly and glandular.

glandular.
Involucres

turbinate-cylindric, 6–10 mm.

turbinate, 6–8 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 2–4 series (whitish), lanceolate to ovate (unequal), apices acute, abaxial face glabrous or glandular-hairy.
Heads

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

usually 2–5 in racemiform to corymbiform arrays, sometimes borne singly.
Cypselae

strigose;

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

pilose;

pappus bristles in 2 series smooth or ± barbellate.
Rays

0.

(5–)8–13, white (often pinkish in bud).
2n

= 18.

= 18.

Eucephalus breweri

Eucephalus gormanii
Phenology Flowering Jul–Sep. Flowering Jul–Aug.
Habitat Open coniferous forest and subalpine meadows Open rocky slopes and exposed cliffs
Elevation 1500–3000(–3500) m (4900–9800(–11500) ft) 1200–1900 m (3900–6200 ft)
Distribution
from FNA
CA; NV
[WildflowerSearch map]
[BONAP county map]
from FNA
OR
[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.)

Eucephalus gormanii is known only from the central Cascade Mountains. It is closely related to E. paucicapitatus.

(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. glaucescens, E. ledophyllus, E. paucicapitatus, E. tomentellus, E. vialis
Synonyms Chrysopsis breweri, Aster breweri, Heterotheca breweri Aster gormanii
Name authority (A. Gray) G. L. Nesom: Phytologia 77: 254. (1995) Piper: Proc. Biol. Soc. Wash. 29: 101. (1916)
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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