Ericameria parryi var. aspera |
Ericameria parryi var. howardii |
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rough Parry's rabbitbrush, rough rabbitbrush |
Howard's rabbitbrush, Parry's rabbitbrush |
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Habit | Plants 15–70 cm. | Plants 30–60 cm. |
Leaves | moderately crowded, gray-green; blades 1-nerved, oblanceolate, 15–50 × 1–3 mm, faces abundantly stipitate-glandular; distalmost ± equaling arrays. |
crowded, gray; blades 1-nerved, linear, 20–40 × ca. 1 mm, faces tomentose, eglandular; distalmost overtopping arrays. |
Involucres | 11–15 mm. |
9.5–12 mm. |
Florets | 5–10; corollas yellow, 8.3–9.5 mm, tubes sparsely hairy, throats gradually dilated, lobes 1.4–1.7 mm. |
5–7; corollas pale yellow, 8–10.7 mm, tubes hairy, throats gradually dilated, lobes 1.2–1.7 mm. |
Phyllaries | 9–13, whitish, tan, or purplish, apices erect to spreading, acute. |
12–20, mostly chartaceous, apices spreading, acuminate. |
Heads | 4–10+ in (sometimes branched) racemiform arrays. |
5–10+ in compact, racemiform arrays, or terminal glomerules. |
2n | = 18. |
= 18. |
Ericameria parryi var. aspera |
Ericameria parryi var. howardii |
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Phenology | Flowering late summer–fall. | Flowering late summer–fall. |
Habitat | Dry forests to alpine barrens in pumice or gravel | Upland slopes, tablelands |
Elevation | 1900–3300 m (6200–10800 ft) | 200–2900 m (700–9500 ft) |
Distribution |
CA; NV |
AZ; CO; NE; NM; UT; WY |
Discussion | Variety howardii grows within and east of the Rocky Mountains. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 20, p. 73. | FNA vol. 20, p. 73. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Chrysothamnus asper, Chrysothamnus parryi subsp. asper | Linosyris howardii, Chrysothamnus parryi subsp. howardii |
Name authority | (Greene) G. L. Nesom & G. I. Baird: Phytologia 75: 88. (1993) | (Parry ex A. Gray) G. L. Nesom & G. I. Baird: Phytologia 75: 88. (1993) |
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