Flora of North America species comparison

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Ericameria cooperi

Ericameria suffruticosa

Cooper's goldenbush

bighead goldenbush, goldenweed, heath goldenrod, shrubby goldenweed, single-head goldenweed, singlehead goldenbush
Habit Plants 10–40 cm.
Stems

spreading to erect (bushes mostly broader than high), highly branched, green when young, becoming reddish brown, long-stipitate-glandular.
Leaves

ascending;

blades oblanceolate, 5–40 × 2–7 mm, midnerves evident, (margins crispate) apices acute, faces long-stipitate-glandular;

fascicles absent or of 1–3 leaves.
Peduncles

2–20(–40) mm (bracts 1–10+, leaflike).
Involucres

campanulate, 9–15 × 10–15 mm.
Ray florets

(0–)1–8;

laminae elliptic, 8–14 × 1.5–4 mm.
Disc florets

15–40;

corollas 8.5–10.5 mm.
Phyllaries

17–31 in 2–3 series, green to tan, lanceolate to obovate, 8–18 × 1–4 mm, subequal, outer herbaceous or herbaceous-tipped, inner chartaceous to herbaceous-tipped, midnerves (+ 2 smaller, collateral nerves) often evident, (margins herbaceous or narrowly membranous, mostly stipitate glandular to fimbriate) apices acute to acuminate, abaxial faces stipitate-glandular.
Heads

borne singly or (2–3) in (leafy) racemiform arrays (1–4 cm wide).
Cypselae

narrowly turbinate to ellipsoid, 5.5–8 mm, villous;

pappi tan, 7.5–9 mm.
2n

= 18.

Ericameria cooperi

Ericameria suffruticosa
Phenology Flowering mid summer–fall.
Habitat Rocky slopes and ridges in conifer forests and alpine zones
Elevation 2100–3500 m (6900–11500 ft)
Distribution
from FNA
CA; NV; nw Mexico
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; ID; MT; NV; OR; WY
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[BONAP county map]
Discussion

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. 56. FNA vol. 20, p. 76.
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. 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
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. teretifolia, E. watsonii, E. winwardii, E. zionis
Subordinate taxa
E. cooperi var. cooperi
Synonyms Bigelowia cooperi, Haplopappus cooperi Macronema suffruticosa, Haplopappus suffruticosus
Name authority (A. Gray) H. M. Hall: Univ. Calif. Publ. Bot. 3: 56. (1907) (Nuttall) G. L. Nesom: Phytologia 68: 153. (1990)
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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