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Photo is of parent taxon

rubber rabbitbrush, Washoe rabbitbrush

Photo is of parent taxon

pungent rabbitbrush

Habit Plants 30–45(–100) cm. Plants 50–160 cm.
Stems

whitish, sparsely leafy, loosely tomentose.

yellowish green to nearly white, leafy, compactly, smoothly tomentose.

Leaves

grayish green;

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

greenish;

blades 3-nerved, broadly linear, 30–90 × 1–3 mm, faces often tomentulose.

Involucres

10–12 mm.

6–8 mm.

Corollas

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

style appendages longer than stigmatic portions.

7–9+ mm, tubes puberulent or glabrous, lobes 0.6–1.5, glabrous;

style appendages longer than stigmatic portions.

Phyllaries

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

14–18, apices erect, acute, abaxial faces usually glabrous, outer sometimes sparsely hairy.

Cypselae

distally pilose;

pappi 6.5–10 mm.

densely hairy;

pappi 4.9–6.5 mm.

2n

= 18.

= 18.

Ericameria nauseosa var. washoensis

Ericameria nauseosa var. graveolens

Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Rocky, open sites in juniper and pinyon grasslands On plains in slightly alkaline soils
Elevation 1500–1700 m (4900–5600 ft) 200–2000 m (700–6600 ft)
Distribution
from FNA
CA; NV
[BONAP county map]
from FNA
AZ; CO; ID; KS; MT; ND; NE; NM; NV; OK; SD; TX; UT; WY; SK
[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. 69. 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. speciosa, E. nauseosa var. texensis, E. nauseosa var. turbinata
E. nauseosa var. arenaria, E. nauseosa var. bernardina, E. nauseosa var. bigelovii, E. nauseosa var. ceruminosa, 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 nauseosus subsp. washoensis, E. nauseosa var. washoensis Chrysocoma graveolens, Chrysothamnus nauseosus subsp. graveolens, Chrysothamnus nauseosus var. graveolens, E. nauseosa var. glabrata
Name authority (L. C. Anderson) G. L. Nesom & G. I. Baird: Phytologia 75: 88. (1993) (Nuttall) Reveal & Schuyler: Proc. Acad. Nat. Sci. Philadelphia 149: 20. (1999)
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