Arnica nevadensis
Proc. Amer. Acad. Arts 19: 55. 1883.
Common names: Nevada arnica Sierra arnica
Endemic
Synonyms: Arnica tomentella Greene
Revision as of 22:59, 29 July 2020 by imported>Volume Importer
Plants 10–50 cm. Stems simple. Leaves 2–3 pairs, mostly cauline (basal leaves often persistent on sterile rosettes); petiolate (petioles narrowly to broadly winged); blades elliptic to ovate, 3–8 × 2–4 cm, margins entire or denticulate, apices acute to rounded, faces stipitate-glandular. Heads 1 (–3). Involucres campanulate-turbinate. Phyllaries 10–16, oblanceolate. Ray-florets 6–14; corollas yellow. Disc-florets: corollas yellow; anthers yellow. Cypselae dark gray, 6–9 mm, stipitate-glandular; pappi white or tawny, bristles barbellate to subplumose. 2n = 76.
Phenology: Flowering Jul–Aug.
Habitat: Coniferous forests, meadows, rocky slopes
Elevation: 1500–3000 m
Distribution
Calif., Nev., Oreg., Wash.
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Arnica nevadensis"
yellow +
introrse +
connate +
herbaceous +
acute;rounded +
scarious +
absent +
hirsute +
papillate +
continuous +
decurrent +
elliptic;ovate +
winged;ribbed;winged;ribbed +
1;15 +
stigmatic +
6;80 +
absent +
zygomorphic +
yellow +
monomorphic +
dark gray +
dimorphic +
stipitate-glandular +
6mm;9mm +
staminate +
straight +
stipitate-glandular +
scabrellous +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
discoid +
indeterminate +
surrounding +
campanulate-turbinate +
petiolate +
opposite +
cauline +
deltate +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
fragile +
falling +
aristate +
fine +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
unequal +
Proc. Amer. Acad. Arts +
1883 +
pistillate +
absent +
fertile +
epaleate +
convex +
fibrous +
distinct +
exalbuminous +
modifed +
Endemic +
alternate +
simple +
erect +
2-branched +
papillate +
Arnica nevadensis +
Arnica +
species +
shorter +
longer +
perennial +