View source for Helianthella castanea

{{Treatment/ID
|accepted_name=Helianthella castanea
|accepted_authority=Greene
|publications={{Treatment/Publication
|title=Erythea
|place=1: 127. 1893
|year=1893
}}
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ecliptinae;Helianthella;Helianthella castanea
|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 Ecliptinae]]</div><div class="higher-taxon"><small>genus</small>[[Helianthella]]</div><div class="higher-taxon"><small>species</small>[[Helianthella castanea]]</div></div>
|volume=Volume 21
|mention_page=page 115
|treatment_page=page 117
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>15–45 cm. <b>Cauline</b> leaves: largest proximal to mid stems; blades sometimes ± 3-nerved, oblong or elliptic to broadly-oblanceolate, 10–15 cm, faces sparsely hirsute (mostly abaxially and near margins). <b>Heads</b> borne singly, erect. <b>Involucres</b> hemispheric, 25–40 mm diam. <b>Phyllaries</b> (usually outer 3–4+ foliaceous, 3–10 cm, curling over heads) lanceolate to lance-oblong (margins usually ciliate, abaxial faces densely pubescent or glabrate). <b>Paleae</b> chartaceous, relatively firm. <b>Ray</b> florets 12–21; laminae (10–)20–30 mm. <b>Disc</b> corollas yellow. <b>Cypselae</b> weakly compressed (plump in middles, edges thin, faces, glabrous); pappi 0 or of 2 ± subulate scales. <b>2n</b> = 30.</span><!--

-->{{Treatment/Body
|phenology=Flowering Apr–May.
|habitat=Grassy hillsides
|elevation=0–1200 m
|distribution=Calif.
|discussion=<p><i>Helianthella castanea</i> is known only from the San Francisco Bay area.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Helianthella castanea
|authority=Greene
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering Apr–May.
|habitat=Grassy hillsides
|elevation=0–1200 m
|distribution=Calif.
|reference=None
|publication title=Erythea
|publication year=1893
|special status=Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_285.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae
|genus=Helianthella
|species=Helianthella castanea
}}<!--

-->[[Category:Treatment]][[Category:Helianthella]]