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Photo is of parent taxon

Bernardina rabbitbrush, San Bernardino rubber rabbitbrush

Photo is of parent taxon

broadscale rabbitbrush

Habit Plants 50–150 cm. Plants 130–200 cm.
Stems

yellowish green, becoming whitish, leafy, compactly tomentose.

white, leafy, loosely tomentose.

Leaves

mostly greenish yellow;

blades 1-nerved, linear, 30–50 × 1–2 mm, faces ± tomentose.

whitish;

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

Involucres

10–14 mm.

7.5–10.5 mm.

Corollas

10–12 mm, tubes puberulent, lobes 1.7–2.3 mm, glabrous;

style appendages longer 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

13–20 (in vertical ranks), apices erect, acuminate, abaxial faces glabrous or tomentose.

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

Cypselae

densely sericeous;

pappi 7–8 mm.

densely hairy;

pappi 4.8–7.6 mm.

2n

= 18.

Ericameria nauseosa var. bernardina

Ericameria nauseosa var. latisquamea

Phenology Flowering late summer–fall. Flowering fall.
Habitat Open yellow-pine forests Dry streambeds and arroyos
Elevation 1200–3000 m (3900–9800 ft) 1200–2200 m (3900–7200 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[BONAP county map]
from FNA
AZ; NM; Mexico (Sonora)
[BONAP county map]
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. 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. 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 Chrysothamnus nauseosus var. bernardinus Bigelowia graveolens var. latisquamea, Chrysothamnus nauseosus subsp. latisquameus
Name authority (H. M. Hall) G. L. Nesom & G. I. Baird: Phytologia 75: 85. (1993) (A. Gray) G. L. Nesom & G. I. Baird: Phytologia 75: 86. (1993)
Web links