View source for Emex spinosa

{{Treatment/ID
|accepted_name=Emex spinosa
|accepted_authority=(Linnaeus) Campderá
|publications={{Treatment/Publication
|title=Monogr. Rumex,
|place=58. 1819
|year=1819
}}
|common_names=Devil’s-thorn;little jack;spiny threecornerjack;spiny emex
|basionyms={{Treatment/ID/Basionym
|name=Rumex spinosus
|authority=Linnaeus
|rank=species
|publication_title=Sp. Pl.
|publication_place=1: 337. 1753
}}
|synonyms=
|hierarchy=Polygonaceae;Polygonaceae subfam. Polygonoideae;Emex;Emex spinosa
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Polygonaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Polygonaceae subfam. Polygonoideae]]</div><div class="higher-taxon"><small>genus</small>[[Emex]]</div><div class="higher-taxon"><small>species</small>[[Emex spinosa]]</div></div>
|volume=Volume 5
|mention_page=page 487
|treatment_page=page 488
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>3–6(–8) dm. <b>Stems</b> ascending to erect, base often reddish, branched proximally. <b>Leaves</b>: ocrea loose, glabrous; petiole 2–29 cm, glabrous; blade ovate to ovate-oblong or triangular, 3–13 × 1.1–12 cm, base mostly truncate to subcordate, apex obtuse to acute. <b>Staminate</b> flowers 1–8 per ocreate fascicle; tepals narrowly oblong to oblanceolate, 1.5–2 mm. <b>Pistillate</b> flowers 2–7 per ocreate fascicle; outer tepals ovate to oblong, 4–6 mm in fruit, inner tepals linear-lanceolate, 5–6 mm in fruit, apex acute. <b>Fruiting</b> perianths 5–6 × 5–6 mm, spines spreading to reflexed, 2–4 mm, base broad. <b>Achenes</b> 4–5 × 2–3 mm, shiny. <b>2n</b> = 20.</span><!--

-->{{Treatment/Body
|phenology=Flowering year-round.
|habitat=Sandy shores, disturbed ground
|elevation=0-500 m
|distribution=Calif.;Fla.;Mass.;N.J.;Tex.;South America (Argentina;Ecuador;Peru);Eurasia (Mediterranean region);n Africa (Mediterranean region);introduced in Eurasia (Cyprus;India;Iran;Iraq;Israel;Lebanon;Pakistan;Syria;Turkey);Africa (Algeria;Kenya;Kuwait;Mauritius;Morocco);Atlantic Islands (Canary Islands);Pacific Islands (Hawaii);Australia.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Emex spinosa
|authority=(Linnaeus) Campderá
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Rumex spinosus
|family=Polygonaceae
|phenology=Flowering year-round.
|habitat=Sandy shores, disturbed ground
|elevation=0-500 m
|distribution=Calif.;Fla.;Mass.;N.J.;Tex.;South America (Argentina;Ecuador;Peru);Eurasia (Mediterranean region);n Africa (Mediterranean region);introduced in Eurasia (Cyprus;India;Iran;Iraq;Israel;Lebanon;Pakistan;Syria;Turkey);Africa (Algeria;Kenya;Kuwait;Mauritius;Morocco);Atlantic Islands (Canary Islands);Pacific Islands (Hawaii);Australia.
|introduced=true
|reference=None
|publication title=Monogr. Rumex,
|publication year=1819
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_1017.xml
|subfamily=Polygonaceae subfam. Polygonoideae
|genus=Emex
|species=Emex spinosa
}}<!--

-->[[Category:Treatment]][[Category:Emex]]