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Photo is of parent taxon

common rabbit-bush, rubber rabbitbrush, showy common rabbit-brush, showy rabbitbrush

Photo is of parent taxon

desert rabbitbrush, sharp bract rabbitbrush

Habit Plants 40–200 cm (shorter in some alpine forms). Plants 50–70 cm.
Stems

whitish, leafy, loosely tomentose.

yellowish green, moderately leafy to nearly leafless, compact tomentose.

Leaves

dark green to grayish white;

blades 1-nerved, linear to linear-oblanceolate, 30–70 × 0.3–1.5(–2.5) mm, faces usually loosely, rarely compactly, tomentose.

yellowish green;

blades 1-nerved, filiform, 10–30 × 0.7–1 mm, faces tomentulose.

Involucres

7.5–13.5 mm.

7–8.5 mm.

Corollas

8.7–13 mm, tubes tomentose or glabrous, lobes 1.1–2.1 mm, glabrous;

style appendages longer than stigmatic portions.

6–7.5 mm, tubes glabrous, lobes 1.5–2.5 mm, glabrous;

style appendages shorter than stigmatic portions.

Phyllaries

12–28, apices erect, acute, abaxial faces tomentose (especially outer), sometimes sparsely.

16–26 (in vertical ranks), apices recurved, acuminate, abaxial faces tomentose to glabrate, glutinous.

Cypselae

densely hairy;

pappi 6–11.3 mm.

hairy;

pappi 4.5–6.7 mm.

Ericameria nauseosa var. speciosa

Ericameria nauseosa var. ceruminosa

Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Dry habitats, including juniper-sage, yellow pine, and pinyon communities Gravelly arroyos
Elevation 50–3500 m (200–11500 ft) 700–1700 m (2300–5600 ft)
Distribution
from FNA
CA; CO; ID; MT; NV; OR; UT; WA; WY; AB; BC
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Variety speciosa intergrades with vars. hololeuca and oreophila. Stabilized hybrids with Ericameria discoidea occur in Mono County, California.

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

Variety ceruminosa grows in the Mojave Desert.

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

Source FNA vol. 20. FNA vol. 20, p. 65.
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. 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. oreophila, E. nauseosa var. psilocarpa, E. nauseosa var. salicifolia, 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. 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
Synonyms Chrysothamnus speciosus, Chrysothamnus nauseosus subsp. albicaulis, Chrysothamnus nauseosus subsp. speciosus Linosyris ceruminosus, Chrysothamnus nauseosus subsp. ceruminosus, Chrysothamnus nauseosus var. ceruminosus
Name authority (Nuttall) G. L. Nesom & G. I. Baird: Phytologia 75: 87. (1993) (Durand & Hilgard) G. L. Nesom & G. I. Baird: Phytologia 75: 85. (1993)
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