Flora of North America species comparison

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Ericameria parryi var. montana

Ericameria parryi var. vulcanica
Photo is of parent taxon

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

Parry's rabbitbrush, vulcan rabbitbrush
Habit Plants 10–20 cm (intricately branched). Plants 10–20 cm (branches slender).
Leaves

moderately crowded, green;

blades 1-nerved, linear, 20–35 × 1–2 mm, faces glabrous, viscidulous;

distal overtopping arrays.

moderately crowded, green;

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

distalmost about equaling arrays.
Involucres

10–11.5 mm.

12.5–15 mm.
Florets

(4–)5–12;

corollas yellow, 9–10 mm, tubes finely glandular-puberulent, throats gradually dilated, lobes 1.4–1.7 mm.

5–7;

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

(11–)13–18, ± chartaceous, outer apices long-acuminate, herbaceous, inner acuminate (viscidulous).

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

2–5 in ± cymiform arrays or borne singly.

6–20+ in lax (much-branched), racemiform to thyrsiform arrays.
2n

= 18.

= 18.

Ericameria parryi var. montana

Ericameria parryi var. vulcanica
Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Rocky slopes near timberline Sandy soils, rocky slopes and sagebrush flats
Elevation ca. 2900 m (ca. 9500 ft) 1400–3200 m (4600–10500 ft)
Distribution
from FNA
ID; MT
[BONAP county map]
from FNA
CA
[BONAP county map]
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 vulcanica grows in the southern Sierra Nevada.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 74. 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. 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. latior, E. parryi var. monocephala, E. parryi var. montana, E. parryi var. nevadensis, E. parryi var. parryi, E. parryi var. salmonensis
Synonyms Chrysothamnus parryi subsp. montanus Chrysothamnus vulcanicus, Chrysothamnus parryi subsp. vulcanicus
Name authority (L. C. Anderson) G. L. Nesom & G. I. Baird: Phytologia 75: 89. (1993) (Greene) 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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