View source for Euphorbia bicolor

{{Treatment/ID
|accepted_name=Euphorbia bicolor
|accepted_authority=Engelmann & A. Gray
|publications={{Treatment/Publication
|title=Boston J. Nat. Hist.
|place=5: 233. 1845
|year=1845
}}
|common_names=Snow-on-the-prairie
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Euphorbiaceae;Euphorbia;Euphorbia sect. Alectoroctonum;Euphorbia bicolor
|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>section</small>[[Euphorbia sect. Alectoroctonum]]</div><div class="higher-taxon"><small>species</small>[[Euphorbia bicolor]]</div></div>
|volume=Volume 12
|mention_page=page 241
|treatment_page=page 243
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual, with taproot. <b>Stems</b> erect, unbranched or branched, 40–100 cm, pilose. <b>Leaves</b> alternate; stipules 0.3–0.4 mm; petiole 0.3–1 mm, pilose; blade narrowly elliptic to lanceolate, 37–54 × 7–17 mm, base cuneate to slightly rounded, margins entire, apex aristate or acute, surfaces pilose; venation obscure, only midvein conspicuous. <b>Cyathia</b> in terminal pleiochasia dichasial and pleiochasial bracts linear to narrowly oblanceolate, with conspicuous white margins; peduncle 1.2–3 mm, densely pilose. <b>Involucre</b> campanulate, 2.7–3.5 × 2.2–3 mm, densely pilose; glands 4–5, green to pale greenish yellow, reniform, 0.6–0.7 × 1.4–1.6 mm; appendages white, obdeltate to orbiculate, 1.4–2.5 × 1.7–3 mm, dentate to erose. <b>Staminate</b> flowers 30–70. <b>Pistillate</b> flowers: ovary pilose; styles 0.7–1.2 mm, 2-fid 1/2 length. <b>Capsules</b> depressed-ovoid, 3.5–7.5 × 6–8.7 mm, densely pilose; columella 4.5–5.5 mm. <b>Seeds</b> tan to brown, ovoid, 4.3–4.5 × 3.7–3.9 mm, alveolate; caruncle absent.</span><!--

-->{{Treatment/Body
|phenology=Flowering and fruiting summer–fall.
|habitat=Prairies, blackland (calcareous) prairies, pastures and clearings in former blackland prairie areas, roadside clearings.
|elevation=100–200 m.
|distribution=Ark.;La.;Okla.;Tex.
|discussion=<p><i>Euphorbia bicolor</i> is similar in appearance to <i>E. marginata</i> but can be distinguished by its linear to narrowly oblanceolate bracts and the presence of hairs on all parts of the plant.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Euphorbia bicolor
|author=
|authority=Engelmann & A. Gray
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Euphorbiaceae
|phenology=Flowering and fruiting summer–fall.
|habitat=Prairies, blackland (calcareous) prairies, pastures and clearings in former blackland prairie areas, roadside clearings.
|elevation=100–200 m.
|distribution=Ark.;La.;Okla.;Tex.
|reference=None
|publication title=Boston J. Nat. Hist.
|publication year=1845
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V12/V12_353.xml
|genus=Euphorbia
|section=Euphorbia sect. Alectoroctonum
|species=Euphorbia bicolor
}}<!--

-->[[Category:Treatment]][[Category:Euphorbia sect. Alectoroctonum]]