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Photo is of parent taxon

Bigelow's rabbitbrush

Photo is of parent taxon

Great Basin rabbitbrush, rubber rabbitbrush

Habit Plants 15–120 cm. Plants 70–250 cm.
Stems

whitish, nearly leafless at flowering, loosely tomentose.

greenish, usually leafy, compactly tomentose.

Leaves

mostly grayish white;

blades 1-nerved, filiform, 15–30 × 0.5–1 mm, faces tomentulose.

yellowish green;

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

Involucres

10.5–12.5 mm.

6.5–10 mm.

Corollas

9–11 mm, tubes glabrous or puberulent, lobes 0.8–1.5 mm, glabrous;

style appendages longer than stigmatic portions.

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

style appendages shorter than or equaling stigmatic portions.

Phyllaries

14–18(–25), apices erect, acute to acuminate, abaxial faces tomentulose.

11–20, apices erect, acute, glabrous.

Cypselae

glabrous;

pappi 7.2–11 mm.

hairy (sometimes glabrous in Idaho populations);

pappi 4.2–7.6 mm.

2n

= 18.

= 18 (as Chrysothamnus nauseosus subsp. consimilis).

Ericameria nauseosa var. bigelovii

Ericameria nauseosa var. oreophila

Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Dry slopes and mesas Alkaline valleys and plains
Elevation 1300–2200 m (4300–7200 ft) 1200–3000 m (3900–9800 ft)
Distribution
from FNA
AZ; CO; NM; UT
[BONAP county map]
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. 64. FNA vol. 20, p. 67.
Parent taxa Asteraceae > tribe Astereae > Ericameria > Ericameria nauseosa Asteraceae > tribe Astereae > Ericameria > Ericameria nauseosa
Sibling taxa
E. nauseosa var. arenaria, E. nauseosa var. bernardina, 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. oreophila, E. nauseosa var. psilocarpa, E. nauseosa var. salicifolia, E. nauseosa var. speciosa, E. nauseosa var. texensis, E. nauseosa var. turbinata, E. nauseosa var. washoensis
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 Linosyris bigelovii, Chrysothamnus nauseosus subsp. bigelovii 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. Gray) G. L. Nesom & G. I. Baird: Phytologia 75: 85. (1993) (A. Nelson) G. L. Nesom & G. I. Baird: Phytologia 78: 64. (1995)
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