View source for Cuscuta americana

{{Treatment/ID
|accepted_name=Cuscuta americana
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=1: 124. 1753
|year=1753
}}
|common_names=American dodder
|special_status={{Treatment/ID/Special_status
|code=W
|label=Weedy
}}
|basionyms=
|synonyms=
|hierarchy=Convolvulaceae;Cuscuta;Cuscuta subg. Grammica;Cuscuta americana
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Convolvulaceae]]</div><div class="higher-taxon"><small>genus</small>[[Cuscuta]]</div><div class="higher-taxon"><small>subgenus</small>[[Cuscuta subg. Grammica]]</div><div class="higher-taxon"><small>species</small>[[Cuscuta americana]]</div></div>
|volume=Volume 14
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>yellow-orange, medium. <b>Inflorescences</b> glomerulate or densely paniculiform; bracts at base of clusters 1, at base of pedicels 0 or 1, ovate to lanceolate, ± fleshy, margins entire, apex acute. <b>Pedicels</b> 0.2–0.6 mm. <b>Flowers</b> 5-merous, 2.5–4.2 mm, fleshy, not papillate; calyx brownish, cylindric, equaling or slightly shorter than corolla tube length, divided 1/4 its length, not reticulate or shiny, lobes broadly ovate, bases overlapping, margins entire, midvein not carinate, apex rounded to obtuse; corolla white, drying brown, 2–3.3 mm, tube cylindric, 1.7–2.5 mm, not saccate, lobes usually erect, sometimes spreading, ovate, 1/5–1/4 corolla tube length, margins entire, apex obtuse, ± cucullate, or straight; infrastaminal scales ovate to oblong, 1.4–2 mm, 3/4–4/5 corolla tube length, bridged at 0.6–1 mm, truncate to rounded, uniformly short-fimbriate, fimbriae 0.1–0.2 mm; stamens included, shorter than corolla lobes; filaments 0.1–0.3 mm; anthers 0.2–0.4 × 0.2–0.4 mm; styles filiform, 1.5–2.2 mm, longer than ovary. <b>Capsules</b> globose-ovoid to ovoid, 1.8–3 × 0.8–2 mm, not thickened or raised around relatively small interstylar aperture, not translucent, capped by withered corolla, dehiscence circumscissile. <b>Seeds</b> 1, subglobose to ellipsoid, 1.4–1.5 × 1–1.1 mm, hilum region terminal.</span><!--

-->{{Treatment/Body
|phenology=Flowering Sep–Mar.
|habitat=Hosts: Bursera, Celtis, Citharexylum, Colubrina, Coursetia, Haematoxylum, Haplophyton, Havardia, Janusia, Jatropha, Karwinskia, Mimosa, Prosopis, Sebastiania, Senna, Vallesia, and other herbs and woody plants.
|elevation=0–40 m.
|distribution=Fla.;Mexico;West Indies;Central America;South America.
|discussion=<p>In Florida, Cuscuta americana may attack Citrus trees.</p><!--
--><p>Cuscuta americana was used by the Aztecs to produce a yellow dye called zacatlaxcalli (B. de Sahagún 1950–1982).</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Cuscuta americana
|authority=Linnaeus
|rank=species
|parent rank=subgenus
|synonyms=
|basionyms=
|family=Convolvulaceae
|phenology=Flowering Sep–Mar.
|habitat=Hosts: Bursera, Celtis, Citharexylum, Colubrina, Coursetia, Haematoxylum, Haplophyton, Havardia, Janusia, Jatropha, Karwinskia, Mimosa, Prosopis, Sebastiania, Senna, Vallesia, and other herbs and woody plants.
|elevation=0–40 m.
|distribution=Fla.;Mexico;West Indies;Central America;South America.
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Weedy
|source xml=
|genus=Cuscuta
|subgenus=Cuscuta subg. Grammica
|species=Cuscuta americana
}}<!--

-->[[Category:Treatment]][[Category:Cuscuta subg. Grammica]]