Flora of North America species comparison

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Ericameria nauseosa var. bigelovii

Ericameria nauseosa var. mohavensis
Photo is of parent taxon

Bigelow's rabbitbrush
Photo is of parent taxon

Mojave rabbitbrush
Habit Plants 15–120 cm. Plants 60–80 cm.
Stems

whitish, nearly leafless at flowering, loosely tomentose.

white to yellowish green, nearly leafless at flowering, densely tomentose.
Leaves

mostly grayish white;

blades 1-nerved, filiform, 15–30 × 0.5–1 mm, faces tomentulose.

yellowish green;

blades 1-nerved, filiform, 10–30 × 0.5–1.5 mm, faces glabrate.
Involucres

10.5–12.5 mm.

8.5–12.
Corollas

9–11 mm, tubes glabrous or puberulent, lobes 0.8–1.5 mm, glabrous;

style appendages longer than stigmatic portions.

7–10.9 mm, tubes puberulent, lobes 0.9–2 mm, glabrous;

style appendages longer than stigmatic portions.
Phyllaries

14–18(–25), apices erect, acute to acuminate, abaxial faces tomentulose.

20–26, apices erect, acute, abaxial faces tomentose to glabrate.
Cypselae

glabrous;

pappi 7.2–11 mm.

densely hairy;

pappi 6.3–9.8 mm.
2n

= 18.

= 18.

Ericameria nauseosa var. bigelovii

Ericameria nauseosa var. mohavensis
Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Dry slopes and mesas Dry scrub Artemisia, pinyon, Atriplex, Joshua tree communities
Elevation 1300–2200 m (4300–7200 ft) 400–2400 m (1300–7900 ft)
Distribution
from FNA
AZ; CO; NM; UT
[BONAP county map]
from FNA
CA; NV
[BONAP county map]
Discussion

Variety mohavensis may intergrade with vars. hololeuca and oreophila. It grows in southern Nevada and southern California.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 64. 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. 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. 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. juncea, E. nauseosa var. latisquamea, E. nauseosa var. leiosperma, 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 Linosyris bigelovii, Chrysothamnus nauseosus subsp. bigelovii Bigelowia mohavensis, Chrysothamnus nauseosus var. mohavensis
Name authority (A. Gray) G. L. Nesom & G. I. Baird: Phytologia 75: 85. (1993) (Greene) G. L. Nesom & G. I. Baird: Phytologia 75: 87. (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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