View source for Euphorbia exigua

{{Treatment/ID
|accepted_name=Euphorbia exigua
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=1: 456. 1753
|year=1753
}}
|common_names=Dwarf or small spurge
|special_status={{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Tithymalus exiguus
|authority=(Linnaeus) Hill
|rank=species
}}
|hierarchy=Euphorbiaceae;Euphorbia;Euphorbia subg. Esula;Euphorbia exigua
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Euphorbiaceae]]</div><div class="higher-taxon"><small>genus</small>[[Euphorbia]]</div><div class="higher-taxon"><small>subgenus</small>[[Euphorbia subg. Esula]]</div><div class="higher-taxon"><small>species</small>[[Euphorbia exigua]]</div></div>
|volume=Volume 12
|mention_page=page 296, 297, 299
|treatment_page=page 302
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual, with taproot. <b>Stems</b> erect, unbranched or branched, 3–30 cm, glabrous. <b>Leaves</b>: petiole 0–0.5 mm; blade linear, linear-oblong, or linear-spatulate, 2–30 × 1–5 mm, base cuneate or truncate, margins entire, apex acute, obtuse, or emarginate, surfaces glabrous; venation inconspicuous, only midvein prominent. <b>Cyathial</b> arrangement: terminal pleiochasial branches 3–5, each 1–3 times 2-branched; pleiochasial bracts similar in shape and size to or sometimes slightly longer and wider than distal leaves; dichasial bracts distinct, linear, or linear-lanceolate, or lanceolate-ovate, base rounded to subcordate, margins entire, apex acute; axillary cymose branches 0–5. <b>Cyathia</b>: peduncle 0–2 mm. <b>Involucre</b> cupulate, 0.3–0.5 × 0.6–0.8 mm, glabrous; glands 4, elliptic to crescent-shaped, 0.2–0.4 × 0.3–0.6 mm; horns divergent, 0.2–0.5 mm. <b>Staminate</b> flowers 5–8. <b>Pistillate</b> flowers: ovary glabrous; styles 0.5–0.7 mm, 2-fid. <b>Capsules</b> subglobose, 1–1.8 × 1.3–2 mm, slightly lobed; cocci rounded, smooth, puncticulate toward abaxial line, glabrous; columella 1.1–1.4 mm. <b>Seeds</b> blackish to grayish, 4-angled-ovoid, 1–1.5 × 0.5–0.7 mm, white, tuberculate; caruncle conic or subconic, 0.1–0.3 × 0.1–0.3 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering and fruiting summer–fall.
|habitat=Edges of gardens, roadsides, waste places.
|elevation=0–1500 m.
|distribution=B.C.;N.S.;Ont.;Calif.;N.Y.;W.Va.;Europe;w Asia;n Africa;Atlantic Islands (Macaronesia).
|introduced=true
|discussion=<p><i>Euphorbia exigua</i> can be easily distinguished from other annual species of the genus in the flora area by its tuberculate seeds.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Euphorbia exigua
|authority=Linnaeus
|rank=species
|parent rank=subgenus
|synonyms=Tithymalus exiguus
|basionyms=
|family=Euphorbiaceae
|phenology=Flowering and fruiting summer–fall.
|habitat=Edges of gardens, roadsides, waste places.
|elevation=0–1500 m.
|distribution=B.C.;N.S.;Ont.;Calif.;N.Y.;W.Va.;Europe;w Asia;n Africa;Atlantic Islands (Macaronesia).
|introduced=true
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Introduced
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V12/V12_555.xml
|genus=Euphorbia
|subgenus=Euphorbia subg. Esula
|species=Euphorbia exigua
}}<!--

-->[[Category:Treatment]][[Category:Euphorbia subg. Esula]]