Flora of North America species comparison

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Ericameria nauseosa var. juncea

Ericameria nauseosa var. hololeuca
Photo is of parent taxon

rush rabbitbrush
Photo is of parent taxon

common rabbitbrush, white rabbitbrush
Habit Plants 40–70 cm. Plants 40–120 cm (pleasantly fragrant).
Stems

yellowish green, usually leafless at flowering, compactly tomentose.

whitish, leafy, densely to loosely tomentose.
Leaves

yellowish green;

blades 1-nerved, filiform, 10–30 × 0.7–1 mm, faces compactly tomentose.

whitish;

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

9.5–12 mm.

7–9 mm.
Corollas

7–8.5 mm, tubes hairy, lobes 0.7–0.9 mm, villous;

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

hairy;

pappi 5.6–7.6 mm.

densely hairy;

pappi 5.2–7.2 mm.
Phyllarie(s)

22–25, apices erect, acute, abaxial faces tomentose or glabrate.

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

= 18.

= 18.

Ericameria nauseosa var. juncea

Ericameria nauseosa var. hololeuca
Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Blackbrush, matchweed, shadscale, and pinyon-juniper communities Well-drained, gravelly or sandy slopes
Elevation 1200–1800 m (3900–5900 ft) 100–2500 m (300–8200 ft)
Distribution
from FNA
AZ; NV; UT
[BONAP county map]
from FNA
AZ; CA; ID; NM; NV; OR; UT
[BONAP county map]
Source FNA vol. 20, p. 66. 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. 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
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 juncea, Chrysothamnus nauseosus var. junceus Bigelowia graveolens var. hololeuca, Chrysothamnus nauseosus var. hololeucus
Name authority (Greene) G. L. Nesom & G. I. Baird: Phytologia 75: 86. (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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