Flora of North America species comparison

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Ericameria parryi var. monocephala

Ericameria parryi var. latior
Photo is of parent taxon

one-head rabbitbrush, Parry's rabbitbrush
Photo is of parent taxon

broadleaf rabbitbrush, Parry's rabbitbrush, wideleaf rabbitbrush
Habit Plants 5–40 cm (rigid). Plants 30–100 cm.
Leaves

crowded, grayish;

blades mostly 1-nerved, linear, 10–30 × 0.5–1.5 mm, faces sparsely to densely tomentulose, viscidulous;

distalmost overtopping arrays.

crowded, green;

blades 1–3-nerved, oblanceolate, 45–70 × 5–14 mm, faces glabrous or puberulent, gland-dotted;

distalmost shorter than arrays.
Involucres

10–11 mm.

12–14 mm.
Florets

5–7;

corollas 8–9 mm, tubes sparsely strigose, throats gradually dilated, lobes 1.5–1.8 mm.

5–7;

corollas ca. 10 mm, tubes mostly glabrous, throats ± abruptly dilated, lobes about 2.5 mm.
Phyllaries

8–12, thinly chartaceous, apices erect to spreading, attenuate.

11–15, chartaceous, apices erect or ± recurved, attenuate (mostly glabrous).
Heads

1–2(–4) at branch tips.

10+ in cymiform arrays.
2n

= 18.

Ericameria parryi var. monocephala

Ericameria parryi var. latior
Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Open subalpine forests, talus, and alpine barrens Open pine and fir forests
Elevation 2800–3700 m (9200–12100 ft) 700–1900 m (2300–6200 ft)
Distribution
from FNA
CA; NV
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Of conservation concern.

Variety monocephala is known from the Sierra Nevada.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 74. FNA vol. 20, p. 74.
Parent taxa Asteraceae > tribe Astereae > Ericameria > Ericameria parryi Asteraceae > tribe Astereae > Ericameria > Ericameria parryi
Sibling taxa
E. parryi var. affinis, E. parryi var. aspera, E. parryi var. attenuata, E. parryi var. howardii, E. parryi var. imula, E. parryi var. latior, 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. howardii, E. parryi var. imula, 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 monocephalus, Chrysothamnus parryi subsp. monocephalus Chrysothamnus parryi subsp. latior
Name authority (A. Nelson & P. B. Kennedy) G. L. Nesom & G. I. Baird: Phytologia 75: 89. (1993) (H. M. Hall & Clements) G. L. Nesom & G. I. Baird: Phytologia 75: 89. (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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