Flora of North America species comparison

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Ericameria nauseosa var. hololeuca

Ericameria nauseosa var. juncea
Photo is of parent taxon

common rabbitbrush, white rabbitbrush
Photo is of parent taxon

rush rabbitbrush
Habit Plants 40–120 cm (pleasantly fragrant). Plants 40–70 cm.
Stems

whitish, leafy, densely to loosely tomentose.

yellowish green, usually leafless at flowering, compactly tomentose.
Leaves

whitish;

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

yellowish green;

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

7–9 mm.

9.5–12 mm.
Corollas

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

style appendages shorter than stigmatic portions.

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

style appendages longer than stigmatic portions.
Cypselae

densely hairy;

pappi 5.2–7.2 mm.

hairy;

pappi 5.6–7.6 mm.
Phyllarie(s)

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

22–25, apices erect, acute, abaxial faces tomentose or glabrate.
2n

= 18.

= 18.

Ericameria nauseosa var. hololeuca

Ericameria nauseosa var. juncea
Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Well-drained, gravelly or sandy slopes Blackbrush, matchweed, shadscale, and pinyon-juniper communities
Elevation 100–2500 m (300–8200 ft) 1200–1800 m (3900–5900 ft)
Distribution
from FNA
AZ; CA; ID; NM; NV; OR; UT
[BONAP county map]
from FNA
AZ; NV; UT
[BONAP county map]
Source FNA vol. 20, p. 65. FNA vol. 20, p. 66.
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. 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
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
Synonyms Bigelowia graveolens var. hololeuca, Chrysothamnus nauseosus var. hololeucus Bigelowia juncea, Chrysothamnus nauseosus var. junceus
Name authority (A. Gray) G. L. Nesom & G. I. Baird: Phytologia 75: 86. (1993) (Greene) 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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