The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Olympic mountain-aster

Gorman's aster

Habit Perennials 20–55 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, pilose or glandular-pubescent.

ascending to erect, sparsely to moderately glandular-hairy.

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-ovate to elliptic, 1.5–3 cm × 4–10 mm.

Peduncles

stipitate-glandular.

glandular.

Heads

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

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

Involucres

turbinate-obconic, 7–9 mm.

turbinate, 6–8 mm.

Phyllaries

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

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

Cypselae

obconic, pilose;

pappus bristles in 2 series, ± barbellate.

pilose;

pappus bristles in 2 series smooth or ± barbellate.

Rays

7–13(–21), white.

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

2n

= 18.

Eucephalus paucicapitatus

Eucephalus gormanii

Phenology Flowering Jul–Aug. Flowering Jul–Aug.
Habitat Open subalpine meadows or scree slopes Open rocky slopes and exposed cliffs
Elevation 800–3300 m [2600–10800 ft] 1200–1900 m [3900–6200 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 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.)

Distribution
from FNA
WA; BC
[WildflowerSearch map]
[BONAP county map]
from FNA
OR
[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. ledophyllus, E. paucicapitatus, E. tomentellus, E. vialis
Synonyms Aster engelmannii var. paucicapitatus, Aster paucicapitatus Aster gormanii
Name authority (B. L. Robinson) Greene: Pittonia 3: 56. (1896) Piper: Proc. Biol. Soc. Wash. 29: 101. (1916)
Source Flora of North America vol. 20, p. 42. Flora of North America vol. 20, p. 41.
Web links