Ericameria parryi var. montana |
Ericameria parryi var. imula |
|
---|---|---|
mountain rabbitbrush, Parry's rabbitbrush |
low rabbitbrush, Parry's rabbitbrush |
|
Habit | Plants 10–20 cm (intricately branched). | Plants 10–20 cm. |
Leaves | moderately crowded, green; blades 1-nerved, linear, 20–35 × 1–2 mm, faces glabrous, viscidulous; distal overtopping arrays. |
crowded, gray; blades 1-nerved, spatulate to linear-spatulate, 10–15 × 2–3 mm, faces densely tomentose, eglandular; distalmost not overtopping arrays. |
Involucres | 10–11.5 mm. |
10–12 mm. |
Florets | (4–)5–12; corollas yellow, 9–10 mm, tubes finely glandular-puberulent, throats gradually dilated, lobes 1.4–1.7 mm. |
10–18; corollas 10–12 mm, tubes glabrous or sparsely villous, throats ± abruptly dilated, lobes 1.4–1.5 mm. |
Phyllaries | (11–)13–18, ± chartaceous, outer apices long-acuminate, herbaceous, inner acuminate (viscidulous). |
ca. 16, chartaceous, apices erect (outer sometimes herbaceous, reddish), abruptly acute. |
Heads | 2–5 in ± cymiform arrays or borne singly. |
usually 3–5 in ± racemiform arrays. |
2n | = 18. |
= 18. |
Ericameria parryi var. montana |
Ericameria parryi var. imula |
|
Phenology | Flowering late summer–fall. | Flowering late summer–fall. |
Habitat | Rocky slopes near timberline | Dry flats and yellow-pine forests |
Elevation | ca. 2900 m (ca. 9500 ft) | 2000–2200 m (6600–7200 ft) |
Distribution |
ID; MT |
CA |
Discussion | Of conservation concern. Variety montana is known only from Red Conglomerate Peaks at the Idaho/Montana border. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Variety imula is known only from southern San Bernardino County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 20, p. 74. | FNA vol. 20, p. 73. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Chrysothamnus parryi subsp. montanus | Chrysothamnus parryi subsp. imulus |
Name authority | (L. C. Anderson) G. L. Nesom & G. I. Baird: Phytologia 75: 89. (1993) | (H. M. Hall & Clements) G. L. Nesom & G. I. Baird: Phytologia 75: 89. (1993) |
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