View source for Ambrosia bidentata

{{Treatment/ID
|accepted_name=Ambrosia bidentata
|accepted_authority=Michaux
|publications={{Treatment/Publication
|title=Fl. Bor.-Amer.
|place=2: 182. 1803
|year=1803
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ambrosiinae;Ambrosia;Ambrosia bidentata
|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>[[Ambrosia]]</div><div class="higher-taxon"><small>species</small>[[Ambrosia bidentata]]</div></div>
|volume=Volume 21
|mention_page=page 11
|treatment_page=page 15
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> 10–30(–100+) cm. <b>Stems</b> erect. <b>Leaves</b> mostly opposite; petioles 0–0.5 mm; blades ± lanceolate to lance-linear, 15–40+ × 3–6(–10+) mm, bases rounded to cordate, margins entire or with (1–)2(–4) basal lobes, abaxial and adaxial faces ± piloso-hispid and gland-dotted. <b>Pistillate</b> heads clustered, proximal to staminates; florets 1. <b>Staminate</b> heads: peduncles 0–0.5 mm; involucres obliquely cup-shaped (lateral lobe longer than others), 2.5–4 mm diam., piloso-hispid; florets 6–8+. <b>Burs</b>: bodies pyramidal, 5–8 mm, piloso-hispid, spines 4(–5), ± distal, ± acerose, 0.5–1 mm, tips straight.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jul–Oct.
|habitat=Dry, disturbed sites
|elevation=200–500 m
|distribution=Ala.;Ark.;Conn.;D.C.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Md.;Minn.;Miss.;Mo.;N.C.;Ohio;Okla.;Tenn.;Tex.;Va.;W.Va.
|discussion=<p>Hybrids between <i>Ambrosia bidentata</i> and <i>A. trifida</i> have been recorded.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Ambrosia bidentata
|author=
|authority=Michaux
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering Jul–Oct.
|habitat=Dry, disturbed sites
|elevation=200–500 m
|distribution=Ala.;Ark.;Conn.;D.C.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Md.;Minn.;Miss.;Mo.;N.C.;Ohio;Okla.;Tenn.;Tex.;Va.;W.Va.
|reference=None
|publication title=Fl. Bor.-Amer.
|publication year=1803
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V21_14.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae
|genus=Ambrosia
|species=Ambrosia bidentata
}}<!--

-->[[Category:Treatment]][[Category:Ambrosia]]