View source for Alternanthera sessilis

{{Treatment/ID
|accepted_name=Alternanthera sessilis
|accepted_authority=(Linnaeus) R. Brown ex de Candolle
|publications={{Treatment/Publication
|title=Cat. Pl. Hort. Monsp.,
|place=77. 1813
|year=1813
}}
|common_names=Sessile joyweed
|basionyms={{Treatment/ID/Basionym
|name=Gomphrena sessilis
|authority=Linnaeus
|publication_title=Sp. Pl.
|publication_place=1: 225. 1753
}}
|synonyms=
|hierarchy=Amaranthaceae;Alternanthera;Alternanthera sessilis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Amaranthaceae]]</div><div class="higher-taxon"><small>genus</small>[[Alternanthera]]</div><div class="higher-taxon"><small>species</small>[[Alternanthera sessilis]]</div></div>
|volume=Volume 4
|mention_page=page 448, 449
|treatment_page=page 450
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual or perennial, 2–6 dm. <b>Stems</b> procumbent, pubescent in lines, glabrate. <b>Leaves</b> sessile; blade elliptic to oblong or oblanceolate, 1.2–5 × 0.5–2.2 cm, apex obtuse to acute, glabrous. <b>Inflorescences</b> axillary, sessile; heads white, subglobose or ovoid, 0.5–1.1 cm; bracts keeled, ca. 1/2 as long as tepals. <b>Flowers</b>: tepals white, ovate to lanceolate, 2–3.5 mm, apex acuminate, hairs not barbed; stamens 5; anthers 3–5, globose; pseudostaminodes subulate, margins laciniate. <b>Utricles</b> included within tepals, sides exerted in mature fruit, greenish stramineous, obcordate, 1.3–1.7 mm, apex retuse. <b>Seeds</b> lenticular, 0.9–1.1 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering summer–early fall.
|habitat=Wet disturbed areas
|elevation=0-20 m
|distribution=Ala.;Fla.;Ga.;La.;Mexico;West Indies;Central America (Belize;Costa Rica;Guatemala;Nicaragua;Panama);South America;Africa;Asia.
|discussion=<p><i>Alternanthera sessilis</i> is reported from Maryland, Mississippi, South Carolina, and Texas, but I have seen no specimens from these states.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Alternanthera sessilis
|author=
|authority=(Linnaeus) R. Brown ex de Candolle
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Gomphrena sessilis
|family=Amaranthaceae
|phenology=Flowering summer–early fall.
|habitat=Wet disturbed areas
|elevation=0-20 m
|distribution=Ala.;Fla.;Ga.;La.;Mexico;West Indies;Central America (Belize;Costa Rica;Guatemala;Nicaragua;Panama);South America;Africa;Asia.
|introduced=true
|reference=None
|publication title=Cat. Pl. Hort. Monsp.,
|publication year=1813
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V4/V4_884.xml
|genus=Alternanthera
|species=Alternanthera sessilis
}}<!--

-->[[Category:Treatment]][[Category:Alternanthera]]