View source for Euphorbia gracillima

{{Treatment/ID
|accepted_name=Euphorbia gracillima
|accepted_authority=S. Watson
|publications={{Treatment/Publication
|title=Proc. Amer. Acad. Arts
|place=21: 438. 1886
|year=1886
}}
|common_names=Mexican sandmat
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Chamaesyce gracillima
|authority=(S. Watson) Millspaugh
|rank=species
}}
|hierarchy=Euphorbiaceae;Euphorbia;Euphorbia sect. Anisophyllum;Euphorbia gracillima
|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 gracillima]]</div></div>
|volume=Volume 12
|mention_page=page 255, 271
|treatment_page=page 270
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual, with slender taproot. <b>Stems</b> erect to ascending, 5–25 cm, glabrous. <b>Leaves</b> opposite; stipules distinct, subulate-filiform, entire, 0.3–0.5 mm, glabrous; petiole 0.4–0.9 mm, glabrous; blade narrowly oblong to linear, often slightly falcate, 2–15 × 0.3–0.8 mm, base symmetric to subsymmetric, rounded to attenuate, margins entire, thickened and often revolute, apex acute to obtuse, surfaces glabrous; only midvein conspicuous. <b>Cyathia</b> solitary at distal nodes; peduncle 0.1–0.9 mm. <b>Involucre</b> turbinate, 0.4–0.5 × 0.4–0.6 mm, glabrous; glands 4, yellow to pink, oblong to slightly reniform, (0–)0.1–1 × 0.1–0.2 mm; appendages white to pink, ovate to oblong, 0.2–0.4 × 0.1–0.3 mm, distal margin usually entire, rarely emarginate. <b>Staminate</b> flowers 5–12. <b>Pistillate</b> flowers: ovary glabrous; styles 0.1–0.2 mm, 2-fid 1/2 length. <b>Capsules</b> broadly ovoid, 1.1–1.4 mm diam., glabrous; columella 0.8–1.1 mm. <b>Seeds</b> orange to tan or reddish brown, narrowly ovoid, 4-angled in cross section, 0.9–1.1 × 0.5–0.6 mm, smooth.</span><!--

-->{{Treatment/Body
|phenology=Flowering and fruiting late summer–fall.
|habitat=Rocky slopes and dry washes in desert scrub.
|elevation=600–900 m.
|distribution=Ariz.;Mexico (Chihuahua;Jalisco;Sinaloa;Sonora).
|discussion=<p><i>Euphorbia gracillima</i> occurs from south-central Arizona (Pima and Pinal counties) south through northwestern Mexico.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Euphorbia gracillima
|authority=S. Watson
|rank=species
|parent rank=section
|synonyms=Chamaesyce gracillima
|basionyms=
|family=Euphorbiaceae
|phenology=Flowering and fruiting late summer–fall.
|habitat=Rocky slopes and dry washes in desert scrub.
|elevation=600–900 m.
|distribution=Ariz.;Mexico (Chihuahua;Jalisco;Sinaloa;Sonora).
|reference=None
|publication title=Proc. Amer. Acad. Arts
|publication year=1886
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V12/V12_105.xml
|genus=Euphorbia
|section=Euphorbia sect. Anisophyllum
|species=Euphorbia gracillima
}}<!--

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