View source for Iva annua ← Iva annua You do not have permission to edit this page, for the following reason: The action you have requested is limited to users in the group: Users. You can view and copy the source of this page. {{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-d0_s0" data-properties="whole-organism atypical some measurement;whole-organism atypical some measurement;whole-organism some measurement;whole-organism duration"><b>Annuals,</b> (10–) 50–100 (–150+) cm.</span> <span class="statement" id="st-d0_s1" data-properties="stem orientation"><b>Stems </b>erect.</span> <span class="statement" id="st-d0_s2" data-properties="petiole atypical some measurement;petiole some measurement"><b>Leaves:</b> petioles 5–20 (–30) mm;</span> <span class="statement" id="st-d0_s3" data-properties="blade shape;blade shape;blade shape;blade atypical length;blade length;blade atypical width;blade width;margin shape;face relief">blades deltate or ovate to elliptic, trullate, or lanceolate, 30–100 (–150) + × 8–45 (–80) mm, margins ± toothed, faces ± scabrellous, glanddotted.</span> <span class="statement" id="st-d0_s4" data-properties="array architecture"><b>Heads </b>in ± spiciform arrays.</span> <span class="statement" id="st-d0_s5" data-properties="peduncle some measurement"><b>Peduncles </b>0–1 mm.</span> <span class="statement" id="st-d0_s6" data-properties="involucre shape;involucre atypical some measurement;involucre some measurement"><b>Involucres </b>± hemispheric, 3–4 (–5) mm.</span> <span class="statement" id="st-d0_s7" data-properties="outer phyllary quantity;outer phyllary fusion;outer phyllary growth form or texture"><b>Phyllaries:</b> outer 3–5 distinct, ± herbaceous.</span> <span class="statement" id="st-d0_s8" data-properties="palea arrangement or course or shape;palea some measurement"><b>Paleae </b>linear, 2–2.5 mm.</span> <span class="statement" id="st-d0_s9" data-properties="floret architecture;floret quantity"><b>Pistillate </b>florets 3–5;</span> <span class="statement" id="st-d0_s10" data-properties="corolla some measurement">corollas 0.5–1 mm.</span> <span class="statement" id="st-d0_s11" data-properties="floret architecture;floret quantity"><b>Functionally </b>staminate florets 8–12+;</span> <span class="statement" id="st-d0_s12" data-properties="corolla some measurement">corollas 2–2.5 mm.</span> <span class="statement" id="st-d0_s13" data-properties="cypsela some measurement;2n chromosome quantity"><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-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21_46.xml |tribe=Asteraceae tribe Heliantheae |subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae |genus=Iva |species=Iva annua |2n chromosome quantity=34 |array architecture=spiciform |blade atypical length=100mm;150mm |blade atypical width=45mm;80mm |blade length=30mm;100mm |blade shape=ovate;elliptic trullate or lanceolate |blade width=8mm;45mm |corolla some measurement=2mm;2.5mm |cypsela some measurement=2mm;3mm |face relief=scabrellous |floret architecture=staminate;pistillate |floret quantity=8;12 |involucre atypical some measurement=4mm;5mm |involucre shape=hemispheric |involucre some measurement=3mm;4mm |margin shape=toothed |outer phyllary fusion=distinct |outer phyllary growth form or texture=herbaceous |outer phyllary quantity=3;5 |palea arrangement or course or shape=linear |palea some measurement=2mm;2.5mm |peduncle some measurement=0mm;1mm |petiole atypical some measurement=20mm;30mm |petiole some measurement=5mm;20mm |stem orientation=erect |whole-organism atypical some measurement=100cm;150cm |whole-organism duration=annual |whole-organism some measurement=50cm;100cm }}<!-- -->[[Category:Treatment]][[Category:Iva]] Templates used on this page: Template:Asteraceae (view source) Template:Treatment/AuthorLink (view source) Template:Treatment/Body (view source) Template:Treatment/Body/Maps (view source) Template:Treatment/ID (view source) Template:Treatment/ID/Synonym (view source) Template:Treatment/Publication (view source) Return to Iva annua.