Flora of North America species comparison

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Ericameria nauseosa var. nauseosa

Ericameria nauseosa var. hololeuca
Photo is of parent taxon

rubber rabbitbrush
Photo is of parent taxon

common rabbitbrush, white rabbitbrush
Habit Plants mostly 20–60 cm. Plants 40–120 cm (pleasantly fragrant).
Stems

grayish to white, leafy, loosely tomentose.

whitish, leafy, densely to loosely tomentose.
Leaves

grayish green to white;

blades 1-nerved, narrowly linear, 10–50 × 1–1.5 mm, faces loosely tomentose.

whitish;

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

7–10.5 mm.

7–9 mm.
Corollas

6.5–9 mm, tubes usually puberulent, rarely arachnose, lobes 1–2 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 5.2–7.2 mm.

densely hairy;

pappi 5.2–7.2 mm.
Phyllarie(s)

10–18, apices erect, mostly obtuse, abaxial faces tomentose, sometimes sparingly.

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

= 18.

= 18.

Ericameria nauseosa var. nauseosa

Ericameria nauseosa var. hololeuca
Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Plains and hills, often in barren alkaline soils Well-drained, gravelly or sandy slopes
Elevation 300–2000 m (1000–6600 ft) 100–2500 m (300–8200 ft)
Distribution
from FNA
CO; ID; MT; ND; NE; SD; WY; AB; SK
[BONAP county map]
from FNA
AZ; CA; ID; NM; NV; OR; UT
[BONAP county map]
Source FNA vol. 20, p. 67. 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. 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. 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 Bigelowia graveolens var. hololeuca, Chrysothamnus nauseosus var. hololeucus
Name authority unknown (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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