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Photo is of parent taxon

Mojave rabbitbrush

Photo is of parent taxon
Habit Plants 60–80 cm. Plants 40–60 cm.
Stems

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

yellowish green, moderately leafy at flowering, tomentum compact.

Leaves

yellowish green;

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

grayish green;

blades 1-nerved, linear, 10–20 × 0.5–1.5 mm, faces tomentulose to densely tomentose.

Involucres

8.5–12.

11.2–16 mm.

Corollas

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

style appendages longer than stigmatic portions.

9.8–11.8 mm, tubes puberulent or glabrous, lobes 0.7–0.9 mm, villous;

style appendages longer than stigmatic portions.

Phyllaries

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

16–25, apices erect, acute to short-acuminate, outer abaxial faces tomentose or glabrous, inner often glabrous.

Cypselae

densely hairy;

pappi 6.3–9.8 mm.

glabrous or densely hairy;

pappi 9.5–12 mm.

2n

= 18.

= 18.

Ericameria nauseosa var. mohavensis

Ericameria nauseosa var. turbinata

Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Dry scrub Artemisia, pinyon, Atriplex, Joshua tree communities Dunes and deep sands, saltbush, ephedra, juniper, and greasewood communities
Elevation 400–2400 m (1300–7900 ft) 1300–1700 m (4300–5600 ft)
Distribution
from FNA
CA; NV
[BONAP county map]
from FNA
AZ; NV; UT
[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. 66. FNA vol. 20, p. 69.
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. 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. 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. washoensis
Synonyms Bigelowia mohavensis, Chrysothamnus nauseosus var. mohavensis Bigelowia turbinata, Chrysothamnus nauseosus var. turbinatus, E. nauseosas subsp. turbinata
Name authority (Greene) G. L. Nesom & G. I. Baird: Phytologia 75: 87. (1993) (M. E. Jones) G. L. Nesom & G. I. Baird: Phytologia 75: 88. (1993)
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