Flora of North America species comparison

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Ericameria nauseosa var. leiosperma

Ericameria nauseosa var. bernardina
Photo is of parent taxon

common rabbitbrush, smooth-fruit rabbitbrush
Photo is of parent taxon

Bernardina rabbitbrush, San Bernardino rubber rabbitbrush
Habit Plants 25–60 cm. Plants 50–150 cm.
Stems

yellowish green, often leafless at flowering, densely, compactly tomentose.

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

yellowish green;

blades 1-nerved, filiform, 10–30 × 0.8–1 mm, faces glabrate.

mostly greenish yellow;

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

8–11.5 mm.

10–14 mm.
Corollas

5–8.5 mm, tubes mostly glabrous, lobes 0.5–1.1 mm (erect to incurved), glabrous;

style appendages longer than stigmatic portions.

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

style appendages longer than stigmatic portions.
Phyllaries

17–31, apices erect, acute to obtuse, abaxial faces glabrous.

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

glabrous;

pappi 3–6.6 mm.

densely sericeous;

pappi 7–8 mm.
2n

= 18.

Ericameria nauseosa var. leiosperma

Ericameria nauseosa var. bernardina
Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Gravelly and sandy soils, rocky crevices Open yellow-pine forests
Elevation 700–2800 m (2300–9200 ft) 1200–3000 m (3900–9800 ft)
Distribution
from FNA
AZ; CA; CO; NV; UT
[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. latisquamea, 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 leiosperma, Chrysothamnus nauseosus subsp. leiospermus 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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