View source for Arnica spathulata

{{Treatment/ID
|accepted_name=Arnica spathulata
|accepted_authority=Greene
|publications={{Treatment/Publication
|title=Pittonia
|place=3: 103. 1896
|year=1896
}}
|common_names=Klamath arnica
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Arnica eastwoodiae
|authority=Rydberg
|rank=species
}} {{Treatment/ID/Synonym
|name=Arnica spathulata subsp. eastwoodiae
|authority=(Rydberg) Maguire
|rank=subspecies
}} {{Treatment/ID/Synonym
|name=Arnica spathulata var. eastwoodiae
|authority=(Rydberg) Ediger & T. M. Barkley
|rank=variety
}}
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Chaenactidinae;Arnica;Arnica spathulata
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Heliantheae]]</div><div class="higher-taxon"><small>subtribe</small>[[Asteraceae (tribe Heliantheae) subtribe Chaenactidinae]]</div><div class="higher-taxon"><small>genus</small>[[Arnica]]</div><div class="higher-taxon"><small>species</small>[[Arnica spathulata]]</div></div>
|volume=Volume 21
|mention_page=page 367
|treatment_page=page 376
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>15–45+ cm. <b>Stems</b> simple or branched. <b>Leaves</b> 3–5 pairs, sometimes crowded toward bases (basal leaves often persistent on sterile rosettes); petiolate (petioles mostly broadly winged, 1–9 × 0.2–1.5 cm); blades elliptic-ovate to spatulate, 2–8 × 1–4 cm, margins subentire to mostly irregularly dentate, apices acute, faces sparsely to densely villous, stipitate-glandular. <b>Heads</b> 1, or 3–9(–25). <b>Involucres</b> turbinate-campanulate. <b>Phyllaries</b> 8–15, broadly to narrowly lanceolate. <b>Ray</b> florets 0. <b>Disc</b> florets 15–50; corollas yellow; anthers yellow. <b>Cypselae</b> black, 5–10 mm, sparsely stipitate-glandular; pappi white, bristles barbellate. <b>2n</b> = 38, 76.</span><!--

-->{{Treatment/Body
|phenology=Flowering Apr–Jul.
|habitat=Usually serpentine soils, open, dry oak–conifer forests, disturbed areas
|elevation=200–1500 m
|distribution=Calif.;Oreg.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Arnica spathulata
|authority=Greene
|rank=species
|parent rank=genus
|synonyms=Arnica eastwoodiae;Arnica spathulata subsp. eastwoodiae;Arnica spathulata var. eastwoodiae
|basionyms=
|family=Asteraceae
|phenology=Flowering Apr–Jul.
|habitat=Usually serpentine soils, open, dry oak–conifer forests, disturbed areas
|elevation=200–1500 m
|distribution=Calif.;Oreg.
|reference=None
|publication title=Pittonia
|publication year=1896
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_943.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae
|genus=Arnica
|species=Arnica spathulata
}}<!--

-->[[Category:Treatment]][[Category:Arnica]]