View source for Euphorbia serrula

{{Treatment/ID
|accepted_name=Euphorbia serrula
|accepted_authority=Engelmann in W. H. Emory
|publications={{Treatment/Publication
|title=Rep. U.S. Mex. Bound.
|place=2(1): 188. 1859
|year=1859
}}
|common_names=Sawtooth sandmat
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Chamaesyce serrula
|authority=(Engelmann) Wooton & Standley
}}
|hierarchy=Euphorbiaceae;Euphorbia;Euphorbia sect. Anisophyllum;Euphorbia serrula
|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. Anisophyllum]]</div><div class="higher-taxon"><small>species</small>[[Euphorbia serrula]]</div></div>
|volume=Volume 12
|mention_page=page 256
|treatment_page=page 288
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual, with slender taproot. <b>Stems</b> prostrate or ascending, 5–20 cm, usually pilose to villous, rarely glabrate. <b>Leaves</b> opposite; stipules usually distinct, rarely connate at base, triangular or laciniate into subulate segments, 1–1.8 mm, glabrous; petiole 0.3–0.8 mm, glabrous or villous; blade oblong, ovate, or elliptic, sometimes falcate, 3–11 × 2–5 mm, base asymmetric, rounded to hemicordate, margins sharply serrate to serrulate, usually with conspicuous teeth at base of leaf, apex usually obtuse, rarely acute, surfaces frequently with red blotch in center, not papillate, sparsely pilose to glabrate; only midvein conspicuous. <b>Cyathia</b> solitary at distal nodes; peduncle 0.4–1.8(–2.3) mm. <b>Involucre</b> obconic, 0.8–1.1 × 0.8–1 mm, glabrous; glands 4, greenish yellow, usually reniform to elliptic, rarely circular, 0.1 × 0.1–0.2 mm; appendages usually white, rarely light pink, orbiculate, 0.1–0.3 × 0.2–0.4 mm, distal margin entire or crenulate. <b>Staminate</b> flowers 7–15. <b>Pistillate</b> flowers: ovary glabrous; styles 0.3–0.5 mm, 2-fid 1/2 length. <b>Capsules</b> oblate, cocci not elongated nor terminating in empty portion, 2–2.6 × 3.2–3.7 mm, glabrous; columella 1.7–2.1 mm. <b>Seeds</b> white to light brown, broadly ellipsoid to ovoid, 3–4-angled in cross section, 1.5–1.8 × 1.1–1.3(–1.5) mm, smooth to minutely rugulose or with scattered small depressions.</span><!--

-->{{Treatment/Body
|phenology=Flowering and fruiting spring–fall.
|habitat=Desert scrub, with creosote bush, grasslands with mesquite and yucca, rarely in ponderosa pine woodlands, often sandy substrates.
|elevation=300–1900 m.
|distribution=Ariz.;N.Mex.;Tex.;Mexico.
|discussion=<p>In Mexico, <i>Euphorbia serrula</i> is found from Chihuahua and Coahuila south to Puebla.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Euphorbia serrula
|author=
|authority=Engelmann in W. H. Emory
|rank=species
|parent rank=section
|synonyms=Chamaesyce serrula
|basionyms=
|family=Euphorbiaceae
|phenology=Flowering and fruiting spring–fall.
|habitat=Desert scrub, with creosote bush, grasslands with mesquite and yucca, rarely in ponderosa pine woodlands, often sandy substrates.
|elevation=300–1900 m.
|distribution=Ariz.;N.Mex.;Tex.;Mexico.
|reference=None
|publication title=Rep. U.S. Mex. Bound.
|publication year=1859
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V12/V12_417.xml
|genus=Euphorbia
|section=Euphorbia sect. Anisophyllum
|species=Euphorbia serrula
}}<!--

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