View source for Euphorbia stictospora

{{Treatment/ID
|accepted_name=Euphorbia stictospora
|accepted_authority=Engelmann in W. H. Emory
|publications={{Treatment/Publication
|title=Rep. U.S. Mex. Bound.
|place=2(1): 187. 1859
|year=1859
}}
|common_names=Mat or narrow-seeded spurge;slimseed sandmat
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Chamaesyce stictospora
|authority=(Engelmann) Small
}}
|hierarchy=Euphorbiaceae;Euphorbia;Euphorbia sect. Anisophyllum;Euphorbia stictospora
|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 stictospora]]</div></div>
|volume=Volume 12
|mention_page=page 253, 290, 292
|treatment_page=page 289
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual, with taproot. <b>Stems</b> prostrate, often mat-forming, occasionally with ascending tips, 5–45 cm, densely and evenly pilose to lanate. <b>Leaves</b> opposite; stipules distinct or connate basally on one side of stem, entire or irregularly toothed or fringed, 0.5–1.2 mm, pilose to lanate; petiole 0.3–1.5 mm, pilose to lanate; blade usually oblong to oblong-obovate, occasionally nearly circular, 3–10(–15) × 2–5(–10) mm, base asymmetric, one side usually angled or rounded and other truncate-auriculate, margins minutely or conspicuously serrulate at least toward apex, apex usually broadly rounded to broadly acute, occasionally emarginate, abaxial surface often ± lighter green and without reddish spot, both surfaces sparsely to moderately pilose to lanate; 3-veined from base or venation obscure. <b>Cyathia</b> solitary at leaf nodes or in small, cymose clusters on congested, axillary branches; peduncle 0.7–2.5 mm. <b>Involucre</b> obconic, 0.7–1 × 0.4–0.6 mm, moderately to densely pilose to lanate; glands 4, reddish, ± unequal, oblong, 0.1 × 0.1–0.3 mm; appendages white to strongly pinkish or reddish tinged, often unequal, sometimes 1 to all absent, 0–0.3 × 0–0.4 mm, 3-lobed or rudimentarily 1-lobed, distal margin crenate. <b>Staminate</b> flowers 3–9. <b>Pistillate</b> flowers: ovary pilose to villous, hairs occasionally slightly appressed; styles 0.2–0.5 mm, unbranched or inconspicuously notched at tip. <b>Capsules</b> ovoid, 1.6–2.3 × 1.4–1.5 mm, moderately to densely villous with hairs usually slightly appressed, pubescence often concentrated on proximal 1/2 or along lobes; columella 1.5–2 mm. <b>Seeds</b> light to dark brown, usually mottled, sometimes with thin, white coating, often wearing away irregularly, narrowly oblong-ovoid to ellipsoid, 3–4-angled in cross section, 1–1.5 × 0.5–0.6 mm, with short, irregularly interrupted furrows, appearing partially and irregularly few-ridged.</span><!--

-->{{Treatment/Body
|phenology=Flowering and fruiting midsummer–early fall.
|habitat=Open disturbed areas, rocky slopes.
|elevation=100–2100 m.
|distribution=Ariz.;Colo.;Iowa;Kans.;Mo.;Nebr.;N.Mex.;N.Dak.;Okla.;S.Dak.;Tex.;Wyo.;Mexico (Chihuahua;Durango;San Luis Potosí).
|discussion=<p><i>Euphorbia stictospora</i> has been recorded from New York, but this disjunct occurrence likely represents a waif or misidentification.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Euphorbia stictospora
|author=
|authority=Engelmann in W. H. Emory
|rank=species
|parent rank=section
|synonyms=Chamaesyce stictospora
|basionyms=
|family=Euphorbiaceae
|phenology=Flowering and fruiting midsummer–early fall.
|habitat=Open disturbed areas, rocky slopes.
|elevation=100–2100 m.
|distribution=Ariz.;Colo.;Iowa;Kans.;Mo.;Nebr.;N.Mex.;N.Dak.;Okla.;S.Dak.;Tex.;Wyo.;Mexico (Chihuahua;Durango;San Luis Potosí).
|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_29.xml
|genus=Euphorbia
|section=Euphorbia sect. Anisophyllum
|species=Euphorbia stictospora
}}<!--

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