View source for Helenium pinnatifidum

{{Treatment/ID
|accepted_name=Helenium pinnatifidum
|accepted_authority=(Schweinitz ex Nuttall) Rydberg in N. L. Britton et al.
|publications={{Treatment/Publication
|title=in N. L. Britton et al., N. Amer. Fl.
|place=34: 130. 1915
|year=1915
}}
|common_names=Southeastern sneezeweed
|basionyms={{Treatment/ID/Basionym
|name=Leptopoda pinnatifida
|authority=Schweinitz ex Nuttall
|rank=species
|publication_title=Trans. Amer. Philos. Soc., n. s.
|publication_place=7: 372. 1841
}}
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Gaillardiinae;Helenium;Helenium pinnatifidum
|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 Gaillardiinae]]</div><div class="higher-taxon"><small>genus</small>[[Helenium]]</div><div class="higher-taxon"><small>species</small>[[Helenium pinnatifidum]]</div></div>
|volume=Volume 21
|mention_page=page 427
|treatment_page=page 429
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 30–80 cm. <b>Stems</b> usually 1, usually unbranched distally, weakly winged, glabrous or sparsely to moderately hairy proximally, sparsely to moderately hairy distally. <b>Leaves</b> usually glabrous, rarely sparsely hairy; basal blades obovate to oblanceolate, usually pinnatifid, sometimes undulate to undulate-serrate, rarely entire; proximal and mid blades linear-oblanceolate to lance-linear, entire or undulate-serrate; distal blades lance-linear, entire. <b>Heads</b> 1(–3) per plant, usually borne singly. <b>Peduncles</b> 3–20 cm, moderately to densely hairy. <b>Involucres</b> hemispheric, 12–20 × 15–30 mm. <b>Phyllaries</b> moderately hairy. <b>Ray</b> florets 13–34, neuter; corollas yellow, 15–22 × 5–8 mm. <b>Disc</b> florets 250–650(–800+); corollas yellow proximally, yellow to yellow-brown distally, 4–5.5 mm, lobes 5. <b>Cypselae</b> 1.2–1.4 mm, moderately hairy; pappi of 8–11 entire or slightly lacerate, non-aristate scales 1.2–1.5 mm. <b>2n</b> = 32, 34.</span><!--

-->{{Treatment/Body
|phenology=Flowering (Feb–)Mar–Apr(–May).
|habitat=Ditches, other moist areas such as wet woods, bogs, and swamp edges
|elevation=10–50 m
|distribution=Fla.;Ga.;N.C.;S.C.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Helenium pinnatifidum
|authority=(Schweinitz ex Nuttall) Rydberg in N. L. Britton et al.
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Leptopoda pinnatifida
|family=Asteraceae
|phenology=Flowering (Feb–)Mar–Apr(–May).
|habitat=Ditches, other moist areas such as wet woods, bogs, and swamp edges
|elevation=10–50 m
|distribution=Fla.;Ga.;N.C.;S.C.
|reference=None
|publication title=in N. L. Britton et al., N. Amer. Fl.
|publication year=1915
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_1071.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae
|genus=Helenium
|species=Helenium pinnatifidum
}}<!--

-->[[Category:Treatment]][[Category:Helenium]]