View source for Euphorbia radians

{{Treatment/ID
|accepted_name=Euphorbia radians
|accepted_authority=Bentham
|publications={{Treatment/Publication
|title=Pl. Hartw.,
|place=8. 1839
|year=1839
}}
|common_names=Sun spurge
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Poinsettia radians
|authority=(Bentham) Klotzsch & Garcke
|rank=species
}}
|hierarchy=Euphorbiaceae;Euphorbia;Euphorbia sect. Poinsettia;Euphorbia radians
|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 radians]]</div></div>
|volume=Volume 12
|mention_page=page 240, 317, 318
|treatment_page=page 324
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, with moniliform tuberous rootstock. <b>Stems</b> erect, 5–20(–30) cm, usually glabrous, occasionally puberulent; branches ± straight. <b>Leaves</b> alternate; petiole 0–2 mm, glabrous or strigose; blade linear-lanceolate to ovate or broadly elliptic, 25–50 × 3–20 mm, unlobed, base rounded (tapered to petiole), margins with few glandular teeth, strigillose, flat to revolute, apex acute, abaxial surface coarsely strigose, adaxial surface strigose-hirsute; venation pinnate, midvein prominent. <b>Cyathial</b> arrangement: terminal pleiochasial branches usually 3, occasionally reduced to congested cyme, 1–2-branched (often highly condensed); pleiochasial bracts 6–8(–10), as tight involucrate whorl, wholly white to pale pink or red, usually narrower than distal leaves; dichasial bracts linear and highly reduced. <b>Cyathia</b>: peduncle 2–5.5 mm. <b>Involucre</b> broadly globose-cupulate, 1.7–2.1 × 2.2–2.5 mm, glabrous or puberulent; involucral lobes divided into triangular segments; glands 1–4(–5), white, sessile and broadly attached, 1.1 × 1.4 mm, opening oblong, glabrous; appendages absent. <b>Staminate</b> flowers 20–25. <b>Pistillate</b> flowers: ovary glabrous or puberulent, styles 3–4 mm, 2-fid 1/2 to nearly entire length. <b>Capsules</b> depressed-globose, 3.8–5 × 4–5 mm, 3-lobed, glabrous or puberulent; columella 3.6–4.5 mm. <b>Seeds</b> white, mottled brown to gray, ellipsoid, rounded in cross section, 4–4.6 × 2.4–3.2 mm, smoothly and broadly pitted or grooved; caruncle 0.1 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering and fruiting spring–summer.
|habitat=Pinyon-juniper woodlands, oak savannas, desert grasslands and scrub.
|elevation=700–2500 m.
|distribution=Ariz.;Tex.;Mexico.
|discussion=<p><i>Euphorbia radians</i> is widely distributed but scattered from the Sonoran and Chihuahuan deserts south to Oaxaca in Mexico. The species is distinct among species in sect. Poinsettia in the flora area in its precocious habit, often flowering before the leaves emerge.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Euphorbia radians
|authority=Bentham
|rank=species
|parent rank=section
|synonyms=Poinsettia radians
|basionyms=
|family=Euphorbiaceae
|phenology=Flowering and fruiting spring–summer.
|habitat=Pinyon-juniper woodlands, oak savannas, desert grasslands and scrub.
|elevation=700–2500 m.
|distribution=Ariz.;Tex.;Mexico.
|reference=None
|publication title=Pl. Hartw.,
|publication year=1839
|special status=Illustrated
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V12/V12_633.xml
|genus=Euphorbia
|section=Euphorbia sect. Poinsettia
|species=Euphorbia radians
}}<!--

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