Flora of North America species comparison

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Ericameria nauseosa var. mohavensis

Ericameria nauseosa var. graveolens
Photo is of parent taxon

Mojave rabbitbrush
Photo is of parent taxon

pungent rabbitbrush
Habit Plants 60–80 cm. Plants 50–160 cm.
Stems

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

yellowish green to nearly white, leafy, compactly, smoothly tomentose.
Leaves

yellowish green;

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

greenish;

blades 3-nerved, broadly linear, 30–90 × 1–3 mm, faces often tomentulose.
Involucres

8.5–12.

6–8 mm.
Corollas

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

style appendages longer than stigmatic portions.

7–9+ mm, tubes puberulent or glabrous, lobes 0.6–1.5, glabrous;

style appendages longer than stigmatic portions.
Phyllaries

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

14–18, apices erect, acute, abaxial faces usually glabrous, outer sometimes sparsely hairy.
Cypselae

densely hairy;

pappi 6.3–9.8 mm.

densely hairy;

pappi 4.9–6.5 mm.
2n

= 18.

= 18.

Ericameria nauseosa var. mohavensis

Ericameria nauseosa var. graveolens
Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Dry scrub Artemisia, pinyon, Atriplex, Joshua tree communities On plains in slightly alkaline soils
Elevation 400–2400 m (1300–7900 ft) 200–2000 m (700–6600 ft)
Distribution
from FNA
CA; NV
[BONAP county map]
from FNA
AZ; CO; ID; KS; MT; ND; NE; NM; NV; OK; SD; TX; UT; WY; SK
[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. 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. 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. 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
Synonyms Bigelowia mohavensis, Chrysothamnus nauseosus var. mohavensis Chrysocoma graveolens, Chrysothamnus nauseosus subsp. graveolens, Chrysothamnus nauseosus var. graveolens, E. nauseosa var. glabrata
Name authority (Greene) G. L. Nesom & G. I. Baird: Phytologia 75: 87. (1993) (Nuttall) Reveal & Schuyler: Proc. Acad. Nat. Sci. Philadelphia 149: 20. (1999)
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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