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Arnica fulgens
Pursh
No occurrences found
Family:
Asteraceae
foothill arnica
Morse, Keir
FNA
Resources
Steven J. Wolf in Flora of North America (vol. 21)
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 prom-inent, 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.
2
n
= 38, 57. Flowering May-Jul. Prairies and grasslands to montane conifer forests; 500-3000 m; Alta., B.C., Man., Sask.; Calif., Colo., Idaho, Mont., Nev., N.Dak., Oreg., S.Dak., Utah, Wash., Wyo.
Morse, Keir
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