Flora of North America species comparison

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Ericameria nauseosa var. oreophila
Photo is of parent taxon

Great Basin rabbitbrush, rubber rabbitbrush
Habit Plants 70–250 cm.
Stems

greenish, usually leafy, compactly tomentose.
Leaves

yellowish green;

blades 1-nerved, filiform to linear, 20–50 × 0.8–1 mm, faces glabrate.
Involucres

6.5–10 mm.
Corollas

6–9 mm, tubes glabrous, lobes 1.5–2.5 mm, glabrous;

style appendages shorter than or equaling stigmatic portions.
Phyllaries

11–20, apices erect, acute, glabrous.
Cypselae

hairy (sometimes glabrous in Idaho populations);

pappi 4.2–7.6 mm.
2n

= 18 (as Chrysothamnus nauseosus subsp. consimilis).

Ericameria nauseosa var. oreophila
Phenology Flowering late summer–fall.
Habitat Alkaline valleys and plains
Elevation 1200–3000 m (3900–9800 ft)
Distribution
from FNA
AZ; CA; CO; ID; MT; NM; NV; OR; UT; WY; Mexico (Baja California)
[BONAP county map]
Discussion

The names Chrysothamnus nauseosus subsp. consimilis and var. consimilis (Ericameria nauseosa subsp. consimilis) have been used for this taxon; an equivalent combination has not been made at the varietal level in Ericameria. Variety oreophila intergrades with vars. mohavensis and speciosa.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 67.
Parent taxa Asteraceae > tribe Astereae > Ericameria > Ericameria nauseosa
Sibling taxa
E. nauseosa var. arenaria, E. nauseosa var. bernardina, E. nauseosa var. bigelovii, E. nauseosa var. ceruminosa, E. nauseosa var. graveolens, E. nauseosa var. hololeuca, E. nauseosa var. iridis, E. nauseosa var. juncea, E. nauseosa var. latisquamea, E. nauseosa var. leiosperma, E. nauseosa var. mohavensis, E. nauseosa var. nana, E. nauseosa var. nauseosa, E. nauseosa var. nitida, E. nauseosa var. psilocarpa, E. nauseosa var. salicifolia, E. nauseosa var. speciosa, E. nauseosa var. texensis, E. nauseosa var. turbinata, E. nauseosa var. washoensis
Synonyms Chrysothamnus oreophilus, Chrysothamnus nauseosus var. artus, Chrysothamnus nauseosus subsp. consimilis, Chrysothamnus nauseosus var. consimilis, Chrysothamnus oreophilus var. artus, E. nauseosa var. arta, E. nauseosa subsp. consimilis
Name authority (A. Nelson) G. L. Nesom & G. I. Baird: Phytologia 78: 64. (1995)
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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