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subalpine goldenbush, subalpine or Cedar Breaks goldenbush

Cooper's goldenbush

Habit Plants 10–30 cm.
Stems

decumbent to ascending, green when young, often reddish tinged, soon reddish brown to brown, branched, twigs long-stipitate-glandular (sometimes with crinkly hairs interspersed).

Leaves

mostly erect or ascending;

blades spatulate (flat), 25–40 × 2.5–7 mm, midnerves (plus 2 smaller, collateral nerves) evident, apices acuminate, faces long-stipitate-glandular;

fascicles absent.

Peduncles

3–15 mm (long-stipitate-glandular, bracts 0–3, phyllary-like).

Involucres

turbinate to narrowly campanulate, 14–22 × 6–8 mm.

Ray florets

0.

Disc florets

10–21;

corollas 9.5–12 mm.

Phyllaries

17–23 in 2–4 series, tan to green, lanceolate to elliptic, 10–14 × 1.6–2.7 mm, subequal (outer often slightly longer than inner), outer herbaceous or with herbaceous cusps, inner mostly chartaceous, midnerves (often plus 2 collateral nerves) evident, (margins villous distally) apices acute to acuminate, abaxial faces stipitate-glandular, inner sometimes glabrous.

Heads

in (leafy) congested, paniculiform to cymiform arrays (1–4 cm wide).

Cypselae

tan to reddish, ellipsoid, 7–8 mm, glabrous or apically hairy;

pappi off-white to brown, sometimes reddish, 9–9.5 mm.

2n

= 18 [as Haplopappus bloomeri subsp. compactus].

Ericameria zionis

Ericameria cooperi

Phenology Flowering summer–fall.
Habitat Gravelly to sandy clay soils with manzanita, spruce, fir, and pine
Elevation 2400–3100 m (7900–10200 ft)
Distribution
from FNA
UT
[BONAP county map]
from FNA
CA; NV; nw Mexico
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Ericameria zionis is known from southern Utah.

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

Varieties 2 (1 in the flora).

Ericameria cooperi var. bajacalifornica (Urbatsch & Wussow) Urbatsch is known only from Mexico (Baja California).

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

Source FNA vol. 20, p. 77. FNA vol. 20, p. 56.
Parent taxa Asteraceae > tribe Astereae > Ericameria Asteraceae > tribe Astereae > Ericameria
Sibling taxa
E. albida, E. arborescens, E. arizonica, E. bloomeri, E. brachylepis, E. cervina, E. compacta, E. cooperi, E. crispa, E. cuneata, E. discoidea, E. ericoides, E. fasciculata, E. gilmanii, E. greenei, E. laricifolia, E. lignumviridis, E. linearifolia, E. linearis, E. nana, E. nauseosa, E. obovata, E. ophitidis, E. palmeri, E. paniculata, E. parishii, E. parryi, E. pinifolia, E. resinosa, E. suffruticosa, E. teretifolia, E. watsonii, E. winwardii
E. albida, E. arborescens, E. arizonica, E. bloomeri, E. brachylepis, E. cervina, E. compacta, E. crispa, E. cuneata, E. discoidea, E. ericoides, E. fasciculata, E. gilmanii, E. greenei, E. laricifolia, E. lignumviridis, E. linearifolia, E. linearis, E. nana, E. nauseosa, E. obovata, E. ophitidis, E. palmeri, E. paniculata, E. parishii, E. parryi, E. pinifolia, E. resinosa, E. suffruticosa, E. teretifolia, E. watsonii, E. winwardii, E. zionis
Subordinate taxa
E. cooperi var. cooperi
Synonyms Haplopappus zionis Bigelowia cooperi, Haplopappus cooperi
Name authority (L. C. Anderson) G. L. Nesom: Phytologia 68: 153. (1990) (A. Gray) H. M. Hall: Univ. Calif. Publ. Bot. 3: 56. (1907)
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