Ericameria parryi var. nevadensis

(A. Gray) G. L. Nesom & G. I. Baird

Phytologia 75: 89. 1993.

Common names: Nevada rabbitbrush
Endemic
Basionym: Linosyris howardii var. nevadensis A. Gray Proc. Amer. Acad. Arts 6: 541. 1865
Synonyms: Chrysothamnus parryi subsp. nevadensis (A. Gray) H. M. Hall & Clements
Treatment appears in FNA Volume 20. Treatment on page 74. Mentioned on page 72.

Plants 20–60 cm. Leaves moderately crowded, green to gray; blades 1-nerved, linear, 15–40 × 0.5–3 mm, faces densely tomentulose, gland-dotted, resinous; distalmost seldom overtopping arrays. Heads 5–10+ in racemiform to narrowly paniculiform arrays. Involucres 11–15 mm. Phyllaries 24–28, chartaceous, apices ± recurved (tan or greenish), attenuate. Florets 4–6; corollas clear yellow, 9–10.5 mm, tubes glabrous or sparsely hairy, throats gradually dilated, lobes 1–1.5 mm. 2n = 18.


Phenology: Flowering late summer–fall.
Habitat: Scrub, open yellow-pine forests, rarely on serpentine
Elevation: 1100–3300 m

Distribution

V20-139-distribution-map.gif

Ariz., Calif., Nev., Oreg., Utah.

Discussion

In California, var. nevadensis is found in the central and northern Sierra Nevada and in the Great Basin.

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
racemiform +  and narrowly paniculiform +
indeterminate +  and determinate +
Lowell E. Urbatsch +, Loran C. Anderson +, Roland P. Roberts +  and Kurt M. Neubig +
(A. Gray) G. L. Nesom & G. I. Baird +
decurrent +
Linosyris howardii var. nevadensis +
0.8 cm8 mm <br />0.008 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (4 cm40 mm <br />0.04 m <br />) +
linear;spatulate +
0.5mm;3mm +
rugulose +  and muricate +
tan +  and reddish +
subequal +
Nevada rabbitbrush +
not 2-lipped +  and actinomorphic +
clear yellow +
0.9 cm9 mm <br />0.009 m <br /> (1.05 cm10.5 mm <br />0.0105 m <br />) +
narrowly ellipsoid +  and subturbinate +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +, Calif. +, Nev. +, Oreg. +  and Utah. +
1100–3300 m +
resinous +
gland-dotted +
tomentulose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Scrub, open yellow-pine forests, rarely on serpentine +
cymiform +  and racemiform +
singly +, grouped +  and cluster +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.9 cm9 mm <br />0.009 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
subcylindric +
1.1 cm11 mm <br />0.011 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
sessile +  and petiolate +
green +  and gray +
erect;spreading or reflexed +
deltate +  and triangular +
2-carpellate +
off-white +  and brown +
persistent +
0.33 cm3.3 mm <br />0.0033 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering late summer–fall. +
herbaceous-tipped +
0.5 cm5 mm <br />0.005 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
ovate +  and lanceolate or elliptic +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
eglandular +  and branched +
resinous +
densely white +  and grayish +
ascending +  and erect +
lanceolate +  and subulate +
appendaged +  and truncate +
papillate +  and smooth +
Chrysothamnus parryi subsp. nevadensis +
Ericameria parryi var. nevadensis +
Ericameria parryi +
variety +
hairy +  and glabrous +
perennial +, biennial +  and annual +