Flora of North America species comparison

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

Ericameria cooperi

Ericameria linearis

Cooper's goldenbush

linear-leaf discoid gumweed, Wyoming goldenbush
Habit Plants 10–40 cm.
Stems

erect to spreading, green when young, becoming brown, branched proximally, densely floccose-tomentose, eglandular.
Leaves

ascending;

blades linear (adaxially sulcate), 10–30 × 1–2 mm, midnerves evident, apices acute, faces mostly densely tomentose, stipitate-glandular;

sometimes with axillary leaf fascicles.
Peduncles

2–20 mm (usually leafy).
Involucres

obconic, 9–11 × 6–9 mm.
Ray florets

0.
Disc florets

10–22;

corollas 9–11 mm.
Phyllaries

20–30 in 2–3 series, green to tan, oblong to lanceolate, 5–10 × 0.8–1.5 mm, subequal, mostly chartaceous, outer herbaceous or herbaceous-tipped, midnerves usually evident, apices acute to acuminate, abaxial faces hairy, stipitate-glandular.
Heads

borne singly or in cymiform arrays.
Cypselae

brownish, narrowly oblong, 5–6 mm, densely hairy;

pappi tan, 8–10 mm.

Ericameria cooperi

Ericameria linearis
Phenology Flowering late summer–fall.
Habitat Dry, stony slopes
Elevation ca. 2300 m (ca. 7500 ft)
Distribution
from FNA
CA; NV; nw Mexico
[WildflowerSearch map]
[BONAP county map]
from FNA
MT; WY
[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. 61.
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. 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 Bigelowia cooperi, Haplopappus cooperi Macronema lineare, E. discoidea var. linearis, Haplopappus macronema subsp. linearis, Haplopappus macronema var. linearis
Name authority (A. Gray) H. M. Hall: Univ. Calif. Publ. Bot. 3: 56. (1907) (Rydberg) R. P. Roberts & Urbatsch: Sida 21: 1560. (2005)
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).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

Choose a data source: Flora of North America

The species comparison tool is brought to you by:
Northwest Wildflowers