View source for Ambrosia confertiflora

{{Treatment/ID
|accepted_name=Ambrosia confertiflora
|accepted_authority=de Candolle in A. P. de Candolle and A. L. P. P. de Candolle
|publications={{Treatment/Publication
|title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr.
|place=5: 526. 1836
|year=1836
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Franseria confertiflora
|authority=(de Candolle) Rydberg
|rank=species
}}
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ambrosiinae;Ambrosia;Ambrosia confertiflora
|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 confertiflora]]</div></div>
|volume=Volume 21
|mention_page=page 11
|treatment_page=page 18
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 20–80(–150+) cm. <b>Stems</b> erect. <b>Leaves</b> mostly alternate; petioles 10–35 mm; blades lanceolate to ovate, 40–85(–150) × 20–35(–55) mm overall, laciniately 2–4-pinnately lobed (lobes ± lanceolate); bases cuneate to truncate, ultimate margins entire, abaxial and adaxial faces strigillose to sericeous (often grayish) and gland-dotted. <b>Pistillate</b> heads clustered, proximal to staminates; florets 1(–2). <b>Staminate</b> heads: peduncles 0.5–2 mm; involucres cup-shaped, 1.5–3+ mm diam., strigillose; florets 5–20+. <b>Burs</b>: bodies pyramidal to pyriform, 1–2 mm, strigillose to pilosulous, spines (1–)5–12+, mostly distal, stoutly conic to subulate, 0.5–1 mm, tips uncinate. <b>2n</b> = 72, 108.</span><!--

-->{{Treatment/Body
|phenology=Flowering (May–)Sep–Dec.
|habitat=Waste places, disturbed sites
|elevation=10–2000 m
|distribution=Ariz.;Calif.;Colo.;Kans.;N.Mex.;Okla.;Tenn.;Tex.;Utah;Mexico.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Ambrosia confertiflora
|authority=de Candolle in A. P. de Candolle and A. L. P. P. de Candolle
|rank=species
|parent rank=genus
|synonyms=Franseria confertiflora
|basionyms=
|family=Asteraceae
|phenology=Flowering (May–)Sep–Dec.
|habitat=Waste places, disturbed sites
|elevation=10–2000 m
|distribution=Ariz.;Calif.;Colo.;Kans.;N.Mex.;Okla.;Tenn.;Tex.;Utah;Mexico.
|reference=None
|publication title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr.
|publication year=1836
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V21_23.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae
|genus=Ambrosia
|species=Ambrosia confertiflora
}}<!--

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