View source for Alternanthera paronychioides

{{Treatment/ID
|accepted_name=Alternanthera paronychioides
|accepted_authority=A. St.-Hilaire
|publications={{Treatment/Publication
|title=Voy. Distr. Diam.
|place=2: 439. 1833
|year=1833
}}
|common_names=Smooth joyweed
|special_status={{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms={{Treatment/ID/Basionym
|name=Illecebrum ficoideum
|authority=Jacquin
|rank=species
|publication_title=Select. Stirp. Amer. Hist.,
|publication_place=88. 1763,
}}
|synonyms=
|hierarchy=Amaranthaceae;Alternanthera;Alternanthera paronychioides
|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 paronychioides]]</div></div>
|volume=Volume 4
|mention_page=page 448
|treatment_page=page 450
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, 1–8 dm. <b>Stems</b> prostrate, villous, glabrate. <b>Leaves</b> sessile; blade elliptic, ovate-rhombic, or oval, 0.6–2.5 × 0.3–1.1 cm, apex acute or obtuse, villous, soon glabrate. <b>Inflorescences</b> axillary, sessile; heads white, globose, 0.5–1 cm diam.; bracts less than 1/2 as long as tepals. <b>Flowers</b>: tepals monomorphic, white, lanceolate, 3–5 mm, apex acuminate, without rigid, spinose tips, hairs not barbed; stamens 5; anthers 3–5, globose; pseudostaminodes ligulate, shorter than filaments, margins entire or dentate. <b>Utricles</b> included within tepals, stramineous, orbiculate to rounded-obovate, 2–2.3 mm, apex truncate. <b>Seeds</b> lenticular, 1.2–1.5 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering spring–late fall, year-round in far south.
|habitat=Ballast ground, swamps, sandy places, limestone near salt water
|elevation=0-10 m
|distribution=Ala.;Del.;Fla.;Ga.;La.;Miss.;N.J.;N.C.;Pa.;S.C.;Tenn.;Tex.;Mexico;West Indies;Central America;South America;Asia;Africa;Pacific Islands.
|introduced=true
|discussion=<p>Plants identified as <i>Alternanthera paronychioides</i> var. amazonica Huber have been collected on salt flats in central Louisiana. The specimens I have seen are not sufficiently distinct to warrant varietal recognition.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Alternanthera paronychioides
|authority=A. St.-Hilaire
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Illecebrum ficoideum
|family=Amaranthaceae
|phenology=Flowering spring–late fall, year-round in far south.
|habitat=Ballast ground, swamps, sandy places, limestone near salt water
|elevation=0-10 m
|distribution=Ala.;Del.;Fla.;Ga.;La.;Miss.;N.J.;N.C.;Pa.;S.C.;Tenn.;Tex.;Mexico;West Indies;Central America;South America;Asia;Africa;Pacific Islands.
|introduced=true
|reference=None
|publication title=Voy. Distr. Diam.
|publication year=1833
|special status=Introduced
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V4/V4_885.xml
|genus=Alternanthera
|species=Alternanthera paronychioides
}}<!--

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