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Photo is of parent taxon

shiny-bract rabbitbrush

Photo is of parent taxon

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

Habit Plants 60–150 cm. Plants 40–200 cm (shorter in some alpine forms).
Stems

yellowish green, leafy at flowering, densely tomentose.

whitish, leafy, loosely tomentose.

Leaves

yellowish green;

blades 1-nerved, linear, 30–50 × 1–1.5 mm, faces glabrate.

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.

Involucres

10–12.5 mm.

7.5–13.5 mm.

Corollas

9.5–11 mm, tubes mostly glabrous, lobes 0.7–1 mm, glabrous or villous;

style appendages longer than stigmatic portions.

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

style appendages longer than stigmatic portions.

Phyllaries

13–19 (outer weakly keeled), apices erect, acute (outer) or acute to obtuse (inner), outer abaxial faces scurfy-tomentulose, inner glabrous.

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

Cypselae

usually glabrous, sometimes hairy;

pappi 9–10 mm.

densely hairy;

pappi 6–11.3 mm.

2n

= 18.

Ericameria nauseosa var. nitida

Ericameria nauseosa var. speciosa

Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Sandy gravels of dry streambeds Dry habitats, including juniper-sage, yellow pine, and pinyon communities
Elevation 1200–1800 m (3900–5900 ft) 50–3500 m (200–11500 ft)
Distribution
from FNA
AZ; NM; UT
[BONAP county map]
from FNA
CA; CO; ID; MT; NV; OR; UT; WA; WY; AB; BC
[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.)

Source FNA vol. 20, p. 67. FNA vol. 20.
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. 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. oreophila, E. nauseosa var. psilocarpa, E. nauseosa var. salicifolia, E. nauseosa var. texensis, E. nauseosa var. turbinata, E. nauseosa var. washoensis
Synonyms Chrysothamnus nauseosus subsp. nitidus, Chrysothamnus nauseosus var. nitidus Chrysothamnus speciosus, Chrysothamnus nauseosus subsp. albicaulis, Chrysothamnus nauseosus subsp. speciosus
Name authority (L. C. Anderson) G. L. Nesom & G. I. Baird: Phytologia 75: 87. (1993) (Nuttall) G. L. Nesom & G. I. Baird: Phytologia 75: 87. (1993)
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