Flora of North America species comparison

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Ericameria nauseosa var. salicifolia

Ericameria nauseosa var. hololeuca
Photo is of parent taxon

willowlike rabbitbrush
Photo is of parent taxon

common rabbitbrush, white rabbitbrush
Habit Plants 60–120 cm. Plants 40–120 cm (pleasantly fragrant).
Stems

grayish to nearly green, leafy, loosely tomentose.

whitish, leafy, densely to loosely tomentose.
Leaves

grayish green;

blades mostly 3–5-nerved, broadly linear, 40–90 × 3–6(–10) mm, faces tomentulose.

whitish;

blades 1-nerved, filiform to linear, 10–35 × 1–2 mm, faces tomentose.
Involucres

7.5–9.5(–10.5) mm.

7–9 mm.
Corollas

7.5–9.5 mm, tubes minutely puberulent, lobes 1–1.5 mm, glabrous;

style appendages longer than stigmatic portions.

7–9.5 mm, tubes puberulent to cobwebby, lobes 0.5–1 mm, glabrous;

style appendages shorter than stigmatic portions.
Cypselae

densely hairy;

pappi 7.5–7.6 mm.

densely hairy;

pappi 5.2–7.2 mm.
Phyllarie(s)

11–17, apices erect, obtuse, outer abaxial faces glabrous or with apical tufts of hairs, inner frequently glabrous.

14–16, apices erect, obtuse, abaxial faces tomentose.
2n

= 18.

Ericameria nauseosa var. salicifolia

Ericameria nauseosa var. hololeuca
Phenology Flowering later summer–fall. Flowering late summer–fall.
Habitat Sagebrush, pinyon-juniper, mountain brush, and aspen communities Well-drained, gravelly or sandy slopes
Elevation 1300–2900 m (4300–9500 ft) 100–2500 m (300–8200 ft)
Distribution
from FNA
UT
[BONAP county map]
from FNA
AZ; CA; ID; NM; NV; OR; UT
[BONAP county map]
Discussion

Variety salicifolia is known from Cache to Sevier counties. Intermediates between var. salicifolia and var. graveolens have been observed.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 68. 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. 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. 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 salicifolius, Chrysothamnus nauseosus subsp. salicifolius Bigelowia graveolens var. hololeuca, Chrysothamnus nauseosus var. hololeucus
Name authority (Rydberg) G. L. Nesom & G. I. Baird: Phytologia 75: 87. (1993) (A. Gray) G. L. Nesom & G. I. Baird: Phytologia 75: 86. (1993)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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