Arnica fulgens

Pursh

Fl. Amer. Sept. 2: 527. 1813.

Common names: Foothill arnica
Endemic
Synonyms: Arnica monocephala Rydberg Arnica pedunculata Rydberg
Treatment appears in FNA Volume 21. Treatment on page 370. Mentioned on page 367.

Plants 10–75 cm. Stems solitary, simple. Leaves 3–5 pairs, crowded toward stem-bases (some or all axils with dense tufts of brown wool); petiolate (petioles at least basal leaves, narrow or broadly winged); blades (with 3 or 5 prominent, subparallel veins) usually narrowly oblanceolate to oblong, rarely oval or broadly spatulate, 4.5–20 × 0.5–2.5 cm, margins denticulate, apices obtuse, faces moderately uniformly hairy, stipitate-glandular. Heads 1 (–3). Involucres broadly hemispheric. Phyllaries 13–21, elliptic-oblong or narrowly to broadly lanceolate. Ray-florets 8–16; corollas yellow-orange. Disc-florets: corollas yellow; anthers yellow. Cypselae brown, 3.5–7 mm, densely hirsute, sometimes sparingly stipitate-glandular; pappi usually white, sometimes tawny, bristles barbellate. 2n = 38, 57.


Phenology: Flowering May–Jul.
Habitat: Prairies and grasslands to montane conifer forests
Elevation: 500–3000 m

Distribution

V21-923-distribution-map.gif

Alta., B.C., Man., Sask., Calif., Colo., Idaho, Mont., Nev., N.Dak., Oreg., S.Dak., Utah, Wash., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Arnica fulgens"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
corymbiform +  and cymiform +
indeterminate +  and determinate +
Steven J. Wolf +
decurrent +
compound +  and simple +
4.5 cm45 mm <br />0.045 m <br /> (20 cm200 mm <br />0.2 m <br />) +
usually narrowly oblanceolate;oblong rarely oval or broadly spatulate +
0.5cm;2.5cm +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
connate +  and distinct +
Foothill arnica +
yellow +  and yellow-orange +
stipitate-glandular +  and hairy +
stipitate-glandular +  and hirsute +
obovoid-cylindric +, fusiform +  and conic +
fertile +  and bisexual +
fertile +  and bisexual +
Alta. +, B.C. +, Man. +, Sask. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Dak. +, Oreg. +, S.Dak. +, Utah +, Wash. +  and Wyo. +
500–3000 m +
stipitate-glandular +  and hairy +
scabrellous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
campanulate +  and cylindric +
Prairies and grasslands to montane conifer forests +
discoid +  and radiate +
in cymiform or corymbiform arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (2 cm20 mm <br />0.02 m <br />) +
hemispheric +
cauline +  and basal +
3 (?) +  and 5 (?) +
deltate +
dentate to pinnatifid or palmatifid +  and entire +
denticulate +
2-carpellate +
subplumose +  and barbellate +
tawny +  and white +
persistent +
10 +  and 50 +
aristate +
Flowering May–Jul. +
13 +  and 21 +
Fl. Amer. Sept. +
bearing subulate enations +, hairy +  and bristly +
pitted +  and smooth +
distinct +
4 +  and 20 +
exalbuminous +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Arnica monocephala +  and Arnica pedunculata +
Arnica fulgens +
species +
campanulate +  and cylindric +
80 cm800 mm <br />0.8 m <br /> (300 cm3,000 mm <br />3 m <br />) +
1 cm10 mm <br />0.01 m <br /> (80 cm800 mm <br />0.8 m <br />) +
toothed +  and entire +
80 cm800 mm <br />0.8 m <br /> (300 cm3,000 mm <br />3 m <br />) +
5 cm50 mm <br />0.05 m <br /> (100 cm1,000 mm <br />1 m <br />) +