View source for Iva annua

{{Treatment/ID
|accepted_name=Iva annua
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 988. 1753
|year=1753
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Iva annua var. caudata
|authority=(Small) R. C. Jackson
|rank=variety
}} {{Treatment/ID/Synonym
|name=Iva annua var. macrocarpa
|authority=(S. F. Blake) R. C. Jackson
|rank=variety
}}
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ambrosiinae;Iva;Iva annua
|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 Ambrosiinae]]</div><div class="higher-taxon"><small>genus</small>[[Iva]]</div><div class="higher-taxon"><small>species</small>[[Iva annua]]</div></div>
|volume=Volume 21
|mention_page=page 25
|treatment_page=page 27
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> (10–)50–100(–150+) cm. <b>Stems</b> erect. <b>Leaves</b>: petioles 5–20(–30) mm; blades deltate or ovate to elliptic, trullate, or lanceolate, 30–100(–150)+ × 8–45(–80) mm, margins ± toothed, faces ± scabrellous, gland-dotted. <b>Heads</b> in ± spiciform arrays. <b>Peduncles</b> 0–1 mm. <b>Involucres</b> ± hemispheric, 3–4(–5) mm. <b>Phyllaries</b>: outer 3–5 distinct, ± herbaceous. <b>Paleae</b> linear, 2–2.5 mm. <b>Pistillate</b> florets 3–5; corollas 0.5–1 mm. <b>Functionally</b> staminate florets 8–12+; corollas 2–2.5 mm. <b>Cypselae</b> 2–3 mm. <b>2n</b> = 34.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jul–Nov.
|habitat=Disturbed sites, moist soils
|elevation=10–500 m
|distribution=Ala.;Ark.;Colo.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Mass.;Mich.;Miss.;Mo.;Nebr.;N.Mex.;N.C.;N.Dak.;Ohio;Okla.;Pa.;S.C.;S.Dak.;Tenn.;Tex.;Va.;W.Va.;Wis.;Mexico (Tamaulipas).
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Iva annua
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=Iva annua var. caudata;Iva annua var. macrocarpa
|basionyms=
|family=Asteraceae
|phenology=Flowering Jul–Nov.
|habitat=Disturbed sites, moist soils
|elevation=10–500 m
|distribution=Ala.;Ark.;Colo.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Mass.;Mich.;Miss.;Mo.;Nebr.;N.Mex.;N.C.;N.Dak.;Ohio;Okla.;Pa.;S.C.;S.Dak.;Tenn.;Tex.;Va.;W.Va.;Wis.;Mexico (Tamaulipas).
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_46.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae
|genus=Iva
|species=Iva annua
}}<!--

-->[[Category:Treatment]][[Category:Iva]]