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Photo is of parent taxon

rough Parry's rabbitbrush, rough rabbitbrush

Photo is of parent taxon

Howard's rabbitbrush, Parry's rabbitbrush

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

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
from FNA
CA; NV
[BONAP county map]
from FNA
AZ; CO; NE; NM; UT; WY
[BONAP county map]
Discussion

Variety howardii grows within and east of the Rocky Mountains.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 20, p. 73. FNA vol. 20, p. 73.
Parent taxa Asteraceae > tribe Astereae > Ericameria > Ericameria parryi Asteraceae > tribe Astereae > Ericameria > Ericameria parryi
Sibling taxa
E. parryi var. affinis, E. parryi var. attenuata, E. parryi var. howardii, E. parryi var. imula, E. parryi var. latior, E. parryi var. monocephala, E. parryi var. montana, E. parryi var. nevadensis, E. parryi var. parryi, E. parryi var. salmonensis, E. parryi var. vulcanica
E. parryi var. affinis, E. parryi var. aspera, E. parryi var. attenuata, E. parryi var. imula, E. parryi var. latior, E. parryi var. monocephala, E. parryi var. montana, E. parryi var. nevadensis, E. parryi var. parryi, E. parryi var. salmonensis, E. parryi var. vulcanica
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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