Flora of North America species comparison

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Ericameria nauseosa var. bernardina

Ericameria nauseosa var. bigelovii
Photo is of parent taxon

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

Bigelow's rabbitbrush
Habit Plants 50–150 cm. Plants 15–120 cm.
Stems

yellowish green, becoming whitish, leafy, compactly tomentose.

whitish, nearly leafless at flowering, loosely tomentose.
Leaves

mostly greenish yellow;

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

mostly grayish white;

blades 1-nerved, filiform, 15–30 × 0.5–1 mm, faces tomentulose.
Involucres

10–14 mm.

10.5–12.5 mm.
Corollas

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

style appendages longer than stigmatic portions.

9–11 mm, tubes glabrous or puberulent, lobes 0.8–1.5 mm, glabrous;

style appendages longer than stigmatic portions.
Phyllaries

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

14–18(–25), apices erect, acute to acuminate, abaxial faces tomentulose.
Cypselae

densely sericeous;

pappi 7–8 mm.

glabrous;

pappi 7.2–11 mm.
2n

= 18.

Ericameria nauseosa var. bernardina

Ericameria nauseosa var. bigelovii
Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Open yellow-pine forests Dry slopes and mesas
Elevation 1200–3000 m (3900–9800 ft) 1300–2200 m (4300–7200 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[BONAP county map]
from FNA
AZ; CO; NM; UT
[BONAP county map]
Source FNA vol. 20, p. 64. FNA vol. 20, p. 64.
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. 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
Synonyms Chrysothamnus nauseosus var. bernardinus Linosyris bigelovii, Chrysothamnus nauseosus subsp. bigelovii
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: 85. (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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