View source for Eupatorium compositifolium

{{Treatment/ID
|accepted_name=Eupatorium compositifolium
|accepted_authority=Walter
|publications={{Treatment/Publication
|title=Fl. Carol.,
|place=199. 1788
|year=1788
}}
|common_names=Yankeeweed
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Eupatorieae;Eupatorium;Eupatorium compositifolium
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Eupatorieae]]</div><div class="higher-taxon"><small>genus</small>[[Eupatorium]]</div><div class="higher-taxon"><small>species</small>[[Eupatorium compositifolium]]</div></div>
|volume=Volume 21
|mention_page=page 463, 472
|treatment_page=page 466
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 50–200 cm. <b>Stems</b> (from short caudices) single, branched distally, puberulent throughout (lateral buds often develop fertile and infertile branches). <b>Leaves</b> opposite (proximal) or alternate (lateral buds dormant or producing 1 pair of leaves); sessile; blades (often pinnately or ternately lobed) or lobes pinnately nerved, linear, 20–80 × 0.5–2.5(–4) mm, bases cuneate, margins entire, apices acuminate, faces puberulent, gland-dotted. <b>Heads</b> in paniculiform arrays. <b>Phyllaries</b> 7–10 in 2–3 series, (sometimes purple) elliptic to oblong, 1–3 × 0.5–0.8 mm, (margins hyaline) apices acuminate and mucronate, abaxial faces puberulent (mostly on midveins), usually gland-dotted. <b>Florets</b> 5; corollas (sometimes with purple throats) 2.5–3 mm. <b>Cypselae</b> 1–1.7 mm; pappi of 20–30 bristles 3–3.5 mm. <b>2n</b> = 20.</span><!--

-->{{Treatment/Body
|phenology=Flowering Aug–Oct.
|habitat=Open or slightly shaded, wet sites, sand dunes, disturbed areas, roadsides, flatwoods
|elevation=10–200+ m
|distribution=Ala.;Ark.;Fla.;Ga.;Ky.;La.;Miss.;N.C.;Okla.;S.C.;Tenn.;Tex.;Va.
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Eupatorium compositifolium
|authority=Walter
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering Aug–Oct.
|habitat=Open or slightly shaded, wet sites, sand dunes, disturbed areas, roadsides, flatwoods
|elevation=10–200+ m
|distribution=Ala.;Ark.;Fla.;Ga.;Ky.;La.;Miss.;N.C.;Okla.;S.C.;Tenn.;Tex.;Va.
|reference=None
|publication title=Fl. Carol.,
|publication year=1788
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V21_1164.xml
|tribe=Asteraceae tribe Eupatorieae
|genus=Eupatorium
|species=Eupatorium compositifolium
}}<!--

-->[[Category:Treatment]][[Category:Eupatorium]]