View source for Euphorbia meganaesos

{{Treatment/ID
|accepted_name=Euphorbia meganaesos
|accepted_authority=Featherman
|publications={{Treatment/Publication
|title=Rep. (Annual) Board Supervisors Louisiana State Seminary Learning Military Acad.
|place=1870: 71, 105. 1871
|year=1871
}}
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Euphorbiaceae;Euphorbia;Euphorbia sect. Anisophyllum;Euphorbia meganaesos
|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 meganaesos]]</div></div>
|volume=Volume 12
|mention_page=page 256
|treatment_page=page 276
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual, with taproot. <b>Stems</b> prostrate to ascending, drooping at tips, 15–30 cm, glabrous. <b>Leaves</b> opposite; stipules distinct, divided nearly to base into linear-filiform segments, 1–2 mm, glabrous; petiole 0.5–1.3 mm, glabrous; blade narrowly oblong to oblong-obovate, often ± falcate, 5–16 × 1–4.5 mm, base subsymmetric to strongly oblique, margins sparsely spinulose-serrulate, apex rounded or broadly acute, abaxial surface pale grayish green, adaxial surface sometimes with reddish streak along midvein, both surfaces not papillate, glabrous; 3–5-veined at base. <b>Cyathia</b> solitary at distal nodes or on congested, axillary branches; peduncle 0.1–0.4 mm. <b>Involucre</b> obconic, 0.7–0.9 × 0.4–0.6 mm, glabrous; glands 4, green to yellow-green, subequal, oblong, 0.1–0.2 × 0.2–0.3 mm; appendages white to reddish tinged, lunate to oblong, 0.1–0.3 × 0.3–0.5 mm (2 ± 2 times longer than other 2), entire or coarsely toothed. <b>Staminate</b> flowers 2–5. <b>Pistillate</b> flowers: ovary glabrous; styles 0.2–0.3 mm, 2-fid at apex to nearly 1/2 length. <b>Capsules</b> ovoid, cocci not elongated nor terminating in empty portion, 1.5 × 1.7 mm, glabrous; columella 1.3 mm. <b>Seeds</b> reddish brown to brown, pyramidal to oblong-ovoid, weakly 4-angled in cross section, 0.9–1 × 0.7 mm, minutely beaded, with 3–4 broad, rounded, transverse ridges that do not interrupt abaxial keel.</span><!--

-->{{Treatment/Body
|phenology=Flowering and fruiting late spring–late summer.
|habitat=Sandy beaches, edges of marshes, coastal prairies, roadsides.
|elevation=0–10 m.
|distribution=La.;Tex.
|discussion=<p><i>Euphorbia meganaesos</i> is known only from coastal areas of southern Louisiana and adjacent Texas. This species was often considered conspecific with <i>E. maculata</i> in the past, but it differs from that species in being entirely glabrous.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Euphorbia meganaesos
|author=
|authority=Featherman
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Euphorbiaceae
|phenology=Flowering and fruiting late spring–late summer.
|habitat=Sandy beaches, edges of marshes, coastal prairies, roadsides.
|elevation=0–10 m.
|distribution=La.;Tex.
|reference=None
|publication title=Rep. (Annual) Board Supervisors Louisiana State Seminary Learning Military Acad.
|publication year=1871
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V12/V12_285.xml
|genus=Euphorbia
|section=Euphorbia sect. Anisophyllum
|species=Euphorbia meganaesos
}}<!--

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