View source for Euphorbia platyphyllos

{{Treatment/ID
|accepted_name=Euphorbia platyphyllos
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=1: 460. 1753
|year=1753
}}
|common_names=Broadleaf 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 platyphyllos
|authority=(Linnaeus) Haworth
}} {{Treatment/ID/Synonym
|name=Tithymalus platyphyllos
|authority=(Linnaeus) Hill
}}
|hierarchy=Euphorbiaceae;Euphorbia;Euphorbia subg. Esula;Euphorbia platyphyllos
|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 platyphyllos]]</div></div>
|volume=Volume 12
|mention_page=page 295
|treatment_page=page 307
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual, with taproot. <b>Stems</b> erect, unbranched or branched, 15–80 cm, usually glabrous, rarely pilose. <b>Leaves</b>: petiole absent; blade oblanceolate or obovate, 20–50 × 5–10 mm, base subcordate or cuneate, margins finely serrulate, apex usually acute, occasionally obtuse, occasionally mucronulate, surfaces usually sparsely pilose, occasionally glabrate; venation pinnate, midvein prominent. <b>Cyathial</b> arrangement: terminal pleiochasial branches (3–)5, proximalmost node 3-branched, more distal ones 1–3 times 2-branched; pleiochasial bracts similar in shape and size to distal leaves; dichasial bracts distinct, ovate-triangular, base obtuse, margins finely serrulate, apex obtuse, mucronulate; axillary cymose branches 0–7(–14). <b>Cyathia</b>: peduncle absent. <b>Involucre</b> cupulate, 0.9–1.2 × 1.3–1.6 mm, sparsely pilose; glands 4, elliptic to ovate, 0.5–0.7 × 0.7–1 mm; horns absent. <b>Staminate</b> flowers 10–12. <b>Pistillate</b> flowers: ovary glabrous, styles 1.6–1.8 mm, 2-fid. <b>Capsules</b> globose or subglobose, 2.5–3 × 2.5–3 mm, slightly 3-lobed; cocci rounded, sparsely verrucose, glabrous; columella 1.9–2.1 mm. <b>Seeds</b> dark brown, ovoid, dorsiventrally compressed, 2–2.2 × 1.5–1.7 mm, smooth; caruncle ± reniform, 0.2–0.5 × 0.2–0.5 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering and fruiting summer–fall.
|habitat=Lake shores, roadsides, waste places.
|elevation=0–500 m.
|distribution=Ont.;Mass.;Mich.;N.Y.;N.C.;Ohio;Pa.;R.I.;Tenn.;Vt.;Wash.;s Europe;introduced also in South America (Argentina;Chile;Paraguay).
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Euphorbia platyphyllos
|author=
|authority=Linnaeus
|rank=species
|parent rank=subgenus
|synonyms=Galarhoeus platyphyllos;Tithymalus platyphyllos
|basionyms=
|family=Euphorbiaceae
|phenology=Flowering and fruiting summer–fall.
|habitat=Lake shores, roadsides, waste places.
|elevation=0–500 m.
|distribution=Ont.;Mass.;Mich.;N.Y.;N.C.;Ohio;Pa.;R.I.;Tenn.;Vt.;Wash.;s Europe;introduced also in South America (Argentina;Chile;Paraguay).
|introduced=true
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Weedy;Introduced
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V12/V12_337.xml
|genus=Euphorbia
|subgenus=Euphorbia subg. Esula
|species=Euphorbia platyphyllos
}}<!--

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