Flora of North America species comparison

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Ericameria nauseosa var. latisquamea

Ericameria nauseosa var. bernardina
Photo is of parent taxon

broadscale rabbitbrush
Photo is of parent taxon

Bernardina rabbitbrush, San Bernardino rubber rabbitbrush
Habit Plants 130–200 cm. Plants 50–150 cm.
Stems

white, leafy, loosely tomentose.

yellowish green, becoming whitish, leafy, compactly tomentose.
Leaves

whitish;

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

mostly greenish yellow;

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

7.5–10.5 mm.

10–14 mm.
Corollas

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

style appendages equaling or shorter than stigmatic portions.

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

style appendages longer than stigmatic portions.
Phyllaries

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

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

densely hairy;

pappi 4.8–7.6 mm.

densely sericeous;

pappi 7–8 mm.
2n

= 18.

Ericameria nauseosa var. latisquamea

Ericameria nauseosa var. bernardina
Phenology Flowering fall. Flowering late summer–fall.
Habitat Dry streambeds and arroyos Open yellow-pine forests
Elevation 1200–2200 m (3900–7200 ft) 1200–3000 m (3900–9800 ft)
Distribution
from FNA
AZ; NM; Mexico (Sonora)
[BONAP county map]
from FNA
CA; Mexico (Baja California)
[BONAP county map]
Source FNA vol. 20, p. 66. 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. 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
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
Synonyms Bigelowia graveolens var. latisquamea, Chrysothamnus nauseosus subsp. latisquameus Chrysothamnus nauseosus var. bernardinus
Name authority (A. Gray) G. L. Nesom & G. I. Baird: Phytologia 75: 86. (1993) (H. M. Hall) 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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