View source for Euphorbia bifurcata

{{Treatment/ID
|accepted_name=Euphorbia bifurcata
|accepted_authority=Engelmann in W. H. Emory
|publications={{Treatment/Publication
|title=Rep. U.S. Mex. Bound.
|place=2(1): 190. 1859
|year=1859
}}
|common_names=Forked spurge
|special_status={{Treatment/ID/Special_status
|code=F
|label=Selected by author to be illustrated
}}
|basionyms=
|synonyms=
|hierarchy=Euphorbiaceae;Euphorbia;Euphorbia sect. Poinsettia;Euphorbia bifurcata
|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. Poinsettia]]</div><div class="higher-taxon"><small>species</small>[[Euphorbia bifurcata]]</div></div>
|volume=Volume 12
|mention_page=page 239, 317, 318
|treatment_page=page 319
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual, with slender, fibrous taproot. <b>Stems</b> erect, 20–70 cm, glabrous or with few scattered spreading hairs; branches arcuate, branching appearing dichotomous. <b>Leaves</b> usually alternate, occasionally opposite at proximalmost node; petiole 15–49 mm, glabrous; blade usually ovate, rarely oblong or elliptic, 13–54 × 7–38 mm, base usually rounded to broadly cuneate, rarely truncate, margins finely serrulate, apex obtuse, surfaces glabrous or with few scattered hairs; venation pinnate, midvein prominent. <b>Cyathial</b> arrangement: terminal dichasial branches 2, few-branched (weakly defined); pleiochasial bracts 2–3, opposite or whorled, wholly green, similar in shape and size to distal leaves; dichasial bracts smaller than distal leaves, often white at base. <b>Cyathia</b>: peduncle 0.9–3.5(–6.2) mm. <b>Involucre</b> tubular or obconic, 1–1.7 × 0.7–1.4 mm, glabrous except for few hairs on lobes; involucral lobes divided into several linear, smooth lobes; glands 1(–3), greenish, sessile and broadly attached, 0.3–0.4 × 0.4–0.8 mm, opening oblong to subcircular, glabrous; appendages petaloid, white, elliptic, oblong, transversely oblong, or forming thin, lunate rim on gland margin, not incurved and covering glands, 0.3–0.9 × 0.6–1.3 mm, entire, undulate or slightly lobed, glabrous. <b>Staminate</b> flowers 20–30. <b>Pistillate</b> flowers: ovary glabrous; styles 0.6–1 mm, 2-fid 1/2 length. <b>Capsules</b> oblate, 2.8–3.1 × 3.6–4.5 mm, glabrous; columella 1.9–2.4 mm. <b>Seeds</b> brown to blackish, ovoid, rounded in cross section, 1.9–2.4 × 1.5–1.8 mm, irregularly and coarsely tuberculate; caruncle absent or rudimentary.</span><!--

-->{{Treatment/Body
|phenology=Flowering and fruiting summer–fall.
|habitat=Riparian areas with cottonwoods and willows, pinyon pine woodlands, pine-oak forests, Douglas fir forests with pines.
|elevation=1900–2300 m.
|distribution=N.Mex.;Tex.;Mexico;Central America (Guatemala).
|discussion=<p><i>Euphorbia bifurcata</i> is found in the mountains of southern New Mexico (Doña Ana, Grant, Lincoln, Otero, and Sierra counties) and trans-Pecos Texas (Brewster, Jeff Davis, and Presidio counties).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Euphorbia bifurcata
|author=
|authority=Engelmann in W. H. Emory
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Euphorbiaceae
|phenology=Flowering and fruiting summer–fall.
|habitat=Riparian areas with cottonwoods and willows, pinyon pine woodlands, pine-oak forests, Douglas fir forests with pines.
|elevation=1900–2300 m.
|distribution=N.Mex.;Tex.;Mexico;Central America (Guatemala).
|reference=None
|publication title=Rep. U.S. Mex. Bound.
|publication year=1859
|special status=Selected by author to be illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V12/V12_702.xml
|genus=Euphorbia
|section=Euphorbia sect. Poinsettia
|species=Euphorbia bifurcata
}}<!--

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