Flora of North America species comparison

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Ericameria parryi var. vulcanica

Ericameria parryi var. salmonensis
Photo is of parent taxon

Parry's rabbitbrush, vulcan rabbitbrush
Photo is of parent taxon

Parry's rabbitbrush, Salmon River rabbitbrush
Habit Plants 10–20 cm (branches slender). Plants 30–60 cm.
Leaves

moderately crowded, green;

blades 1(–3)-nerved, linear, 30–50 × 0.5–2 mm, faces glabrous, minutely gland-dotted;

distalmost about equaling arrays.

widely spaced, green;

blades 1-nerved, linear to narrowly oblanceolate, 30–50(–80) × 1–2(–3) mm, faces glabrous, viscidulous;

distalmost overtopping arrays.
Involucres

12.5–15 mm.

10–12 mm.
Florets

5–7;

corollas yellow, 9–11 mm, tubes glabrous or proximally puberulent, throats gradually dilated, lobes 1.5–1.9 mm.

(4–)5–6;

corollas pale yellow, 7.5–10 mm, tubes distally puberulent, throats gradually dilated, lobes 1–1.5 mm.
Phyllaries

9–13, chartaceous, apices erect (tan or greenish), attenuate.

(11–)13–17(–19), chartaceous, outer herbaceous-tipped, apices erect, acuminate (glabrous, viscidulous).
Heads

6–20+ in lax (much-branched), racemiform to thyrsiform arrays.

usually 4–8 in lax (much branched), racemiform to cymiform-paniculiform arrays.
2n

= 18.

= 18.

Ericameria parryi var. vulcanica

Ericameria parryi var. salmonensis
Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Sandy soils, rocky slopes and sagebrush flats Barren, rocky soils
Elevation 1400–3200 m (4600–10500 ft) 1400–1800 m (4600–5900 ft)
Distribution
from FNA
CA
[BONAP county map]
from FNA
ID
[BONAP county map]
Discussion

Variety vulcanica grows in the southern Sierra Nevada.

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

Variety salmonensis grows along the Middle Fork of the Salmon River and its tributaries.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 75. FNA vol. 20, p. 75.
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. monocephala, E. parryi var. montana, E. parryi var. nevadensis, E. parryi var. parryi, E. parryi var. salmonensis
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. monocephala, E. parryi var. montana, E. parryi var. nevadensis, E. parryi var. parryi, E. parryi var. vulcanica
Synonyms Chrysothamnus vulcanicus, Chrysothamnus parryi subsp. vulcanicus Chrysothamnus parryi subsp. salmonensis
Name authority (Greene) G. L. Nesom & G. I. Baird: Phytologia 75: 89. (1993) (L. C. Anderson) 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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