Flora of North America species comparison

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Ericameria nauseosa var. bernardina

Ericameria nauseosa var. juncea
Photo is of parent taxon

Bernardina rabbitbrush, San Bernardino rubber rabbitbrush
Photo is of parent taxon

rush rabbitbrush
Habit Plants 50–150 cm. Plants 40–70 cm.
Stems

yellowish green, becoming whitish, leafy, compactly tomentose.

yellowish green, usually leafless at flowering, compactly tomentose.
Leaves

mostly greenish yellow;

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

yellowish green;

blades 1-nerved, filiform, 10–30 × 0.7–1 mm, faces compactly tomentose.
Involucres

10–14 mm.

9.5–12 mm.
Corollas

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

style appendages longer than stigmatic portions.

7–8.5 mm, tubes hairy, lobes 0.7–0.9 mm, villous;

style appendages longer than stigmatic portions.
Phyllaries

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

22–25, apices erect, acute, abaxial faces tomentose or glabrate.
Cypselae

densely sericeous;

pappi 7–8 mm.

hairy;

pappi 5.6–7.6 mm.
2n

= 18.

Ericameria nauseosa var. bernardina

Ericameria nauseosa var. juncea
Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Open yellow-pine forests Blackbrush, matchweed, shadscale, and pinyon-juniper communities
Elevation 1200–3000 m (3900–9800 ft) 1200–1800 m (3900–5900 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[BONAP county map]
from FNA
AZ; NV; UT
[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. 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 Chrysothamnus nauseosus var. bernardinus Bigelowia juncea, Chrysothamnus nauseosus var. junceus
Name authority (H. M. Hall) G. L. Nesom & G. I. Baird: Phytologia 75: 85. (1993) (Greene) G. L. Nesom & G. I. Baird: Phytologia 75: 86. (1993)
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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