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Photo is of parent taxon

desert rabbitbrush, sharp bract rabbitbrush

Photo is of parent taxon

broadscale rabbitbrush

Habit Plants 50–70 cm. Plants 130–200 cm.
Stems

yellowish green, moderately leafy to nearly leafless, compact tomentose.

white, leafy, loosely tomentose.

Leaves

yellowish green;

blades 1-nerved, filiform, 10–30 × 0.7–1 mm, faces tomentulose.

whitish;

blades 1-nerved, filiform, 15–45 × 1–2 mm, faces loosely tomentose.

Involucres

7–8.5 mm.

7.5–10.5 mm.

Corollas

6–7.5 mm, tubes glabrous, lobes 1.5–2.5 mm, glabrous;

style appendages shorter than stigmatic portions.

7–9.5 mm, tubes glabrous or puberulent, lobes 0.6–1 mm, glabrous;

style appendages equaling or shorter than stigmatic portions.

Phyllaries

16–26 (in vertical ranks), apices recurved, acuminate, abaxial faces tomentose to glabrate, glutinous.

15–17, apices erect, obtuse, outer abaxial faces densely tomentulose, inner glabrous.

Cypselae

hairy;

pappi 4.5–6.7 mm.

densely hairy;

pappi 4.8–7.6 mm.

2n

= 18.

Ericameria nauseosa var. ceruminosa

Ericameria nauseosa var. latisquamea

Phenology Flowering late summer–fall. Flowering fall.
Habitat Gravelly arroyos Dry streambeds and arroyos
Elevation 700–1700 m (2300–5600 ft) 1200–2200 m (3900–7200 ft)
Distribution
from FNA
CA
[BONAP county map]
from FNA
AZ; NM; Mexico (Sonora)
[BONAP county map]
Discussion

Variety ceruminosa grows in the Mojave Desert.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

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. 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. 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 Linosyris ceruminosus, Chrysothamnus nauseosus subsp. ceruminosus, Chrysothamnus nauseosus var. ceruminosus Bigelowia graveolens var. latisquamea, Chrysothamnus nauseosus subsp. latisquameus
Name authority (Durand & Hilgard) G. L. Nesom & G. I. Baird: Phytologia 75: 85. (1993) (A. Gray) G. L. Nesom & G. I. Baird: Phytologia 75: 86. (1993)
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