View source for Euphorbia serrata

{{Treatment/ID
|accepted_name=Euphorbia serrata
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=1: 459. 1753
|year=1753
}}
|common_names=Saw-toothed or toothed or serrate spurge
|special_status={{Treatment/ID/Special_status
|code=W
|label=Weedy
}}{{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Galarhoeus serratus
|authority=(Linnaeus) Haworth
|rank=species
}} {{Treatment/ID/Synonym
|name=Tithymalus serratus
|authority=(Linnaeus) Hill
|rank=species
}}
|hierarchy=Euphorbiaceae;Euphorbia;Euphorbia subg. Esula;Euphorbia serrata
|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 serrata]]</div></div>
|volume=Volume 12
|mention_page=page 296
|treatment_page=page 309
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, with thick rootstock. <b>Stems</b> erect, branched, 10–70 cm, glabrous. <b>Leaves</b>: petiole absent; blade lanceolate, ovate-lanceolate, linear, or linear-lanceolate, 10–70 × 2–20 mm, base acute or obtuse, margins irregularly serrate, apex acute to obtuse, surfaces glabrous; venation inconspicuous, only midvein prominent. <b>Cyathial</b> arrangement: terminal pleiochasial branches 3–5, each 1–3 times 2-branched; pleiochasial bracts ovate-lanceolate, usually shorter and wider than distal leaves; dichasial bracts distinct, ovate or deltate, base obtuse to cordate, margins irregularly dentate, apex acute, or obtuse, mucronate; axillary cymose branches 0–3. <b>Cyathia</b>: peduncle 1–5 mm. <b>Involucre</b> campanulate, 2–4 × 1.2–3 mm, glabrous; glands 4–5, elliptic, ovate, or suborbiculate, 1.2–1.8 × 1.5–2.7 mm; horns absent or slightly divergent, 0–0.6 mm. <b>Staminate</b> flowers 20–40. <b>Pistillate</b> flowers: ovary glabrous; styles 1–2 mm, 2-fid. <b>Capsules</b> subovoid, 4.5–6 × 4–5 mm, 3-lobed; cocci rounded, smooth occasionally slightly puncticulate, glabrous; columella 4–4.5 mm. <b>Seeds</b> grayish, cylindric, 2.5–3.1 × 1.7–2 mm, smooth or slightly dotted; caruncle subconic, lobed, 1–1.5 × 0.5–1 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering and fruiting spring–fall.
|habitat=Waste places, disturbed sites, roadsides, fields, pastures.
|elevation=0–300 m.
|distribution=Calif.;Europe;Atlantic Islands (Macaronesia).
|introduced=true
|discussion=<p><i>Euphorbia serrata</i>, native to the western Mediterranean region of Europe and Macaronesia, is listed as a noxious weed by the state of California. In the flora area, it has been found in coastal counties from Sonoma to Monterey counties; attempts to eradicate it may have been successful.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Euphorbia serrata
|authority=Linnaeus
|rank=species
|parent rank=subgenus
|synonyms=Galarhoeus serratus;Tithymalus serratus
|basionyms=
|family=Euphorbiaceae
|phenology=Flowering and fruiting spring–fall.
|habitat=Waste places, disturbed sites, roadsides, fields, pastures.
|elevation=0–300 m.
|distribution=Calif.;Europe;Atlantic Islands (Macaronesia).
|introduced=true
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Weedy;Introduced
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V12/V12_1065.xml
|genus=Euphorbia
|subgenus=Euphorbia subg. Esula
|species=Euphorbia serrata
}}<!--

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