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Photo is of parent taxon

dwarf rabbitbrush, little rabbitbrush

Photo is of parent taxon

rubber rabbitbrush, Washoe rabbitbrush

Habit Plants 10–30 cm. Plants 30–45(–100) cm.
Stems

whitish, leafy, loosely tomentose.

whitish, sparsely leafy, loosely tomentose.

Leaves

dark green to grayish;

blades 1-nerved, filiform to linear, 30–40 × 1–3 mm, faces compactly tomentose.

grayish green;

blades 1–3-nerved, spatulate to narrowly oblanceolate, 20–30 × 2–3 mm, faces loosely hairy.

Involucres

8–13 mm.

10–12 mm.

Corollas

7.5–10 mm, tubes glabrous or moderately hairy, lobes 1.6–2.5 mm, glabrous;

style appendages shorter than stigmatic portions.

7.5–9(–10) mm, tubes puberulent, lobes 1.3–1.6 mm, villous;

style appendages longer than stigmatic portions.

Phyllaries

14–18, apices erect, acute to obtuse, outer abaxial faces sparsely tomentose, inner glabrous.

16–20(–30), (brownish costal nerves often evident) apices acute to obtuse, outer abaxial faces sparsely villous to tomentose, inner tomentulose.

Cypselae

densely hairy;

pappi 5.2–9 mm.

distally pilose;

pappi 6.5–10 mm.

2n

= 18.

= 18.

Ericameria nauseosa var. nana

Ericameria nauseosa var. washoensis

Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Dry, rocky ridges and cliffs Rocky, open sites in juniper and pinyon grasslands
Elevation 1200–2000 m (3900–6600 ft) 1500–1700 m (4900–5600 ft)
Distribution
from FNA
ID; OR; WA
[BONAP county map]
from FNA
CA; NV
[BONAP county map]
Discussion

Variety washoensis is known from northeastern California and northwestern Nevada.

of conservation concern

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

Source FNA vol. 20, p. 67. FNA vol. 20, p. 69.
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. 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. oreophila, E. nauseosa var. psilocarpa, E. nauseosa var. salicifolia, E. nauseosa var. speciosa, E. nauseosa var. texensis, E. nauseosa var. turbinata
Synonyms Chrysothamnus nauseosus var. nanus, Chrysothamnus nauseosus subsp. nanus Chrysothamnus nauseosus subsp. washoensis, E. nauseosa var. washoensis
Name authority (Cronquist) G. L. Nesom & G. I. Baird: Phytologia 75: 87. (1993) (L. C. Anderson) G. L. Nesom & G. I. Baird: Phytologia 75: 88. (1993)
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