Ericameria nauseosa var. mohavensis |
Ericameria nauseosa var. turbinata |
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Mojave rabbitbrush |
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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 |
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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 |
CA; NV |
AZ; NV; UT |
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.) |
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Source | FNA vol. 20, p. 66. | FNA vol. 20, p. 69. |
Parent taxa | ||
Sibling taxa | ||
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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