Ericameria nauseosa var. bernardina |
Ericameria nauseosa var. latisquamea |
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Bernardina rabbitbrush, San Bernardino rubber rabbitbrush |
broadscale rabbitbrush |
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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. |
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Ericameria nauseosa var. bernardina |
Ericameria nauseosa var. latisquamea |
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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 |
CA; Mexico (Baja California) |
AZ; NM; Mexico (Sonora) |
Source | FNA vol. 20, p. 64. | FNA vol. 20, p. 66. |
Parent taxa | ||
Sibling taxa | ||
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) |
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