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>Euphorbia meganaesos is known only from coastal areas of southern Louisiana and adjacent Texas. This species was often considered conspecific with E. maculata 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/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V12/V12_285.xml
|genus=Euphorbia
|section=Euphorbia sect. Anisophyllum
|species=Euphorbia meganaesos
}}<!--

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