View source for Euphorbia trichotoma

{{Treatment/ID
|accepted_name=Euphorbia trichotoma
|accepted_authority=Kunth in A. von Humboldt et al.
|publications={{Treatment/Publication
|title=Nov. Gen. Sp.
|place=2(fol.): 48; 2(qto.): 60. 1817
|year=1817
}}
|common_names=Sand-dune spurge
|special_status={{Treatment/ID/Special_status
|code=C
|label=Conservation concern
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Galarhoeus trichotomus
|authority=(Kunth) Small
}}{{Treatment/ID/Synonym
|name=Tithymalus trichotomus
|authority=(Kunth) Klotzsch & Garcke
}}
|hierarchy=Euphorbiaceae;Euphorbia;Euphorbia subg. Esula;Euphorbia trichotoma
|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>subgenus</small>[[Euphorbia subg. Esula]]</div><div class="higher-taxon"><small>species</small>[[Euphorbia trichotoma]]</div></div>
|volume=Volume 12
|mention_page=page 295, 312
|treatment_page=page 311
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, with thick rootstock. <b>Stems</b> erect, branched, 15–40 cm, glabrous. <b>Leaves</b>: petiole absent; blade obovate to oblanceolate, 5–20 × 2–7 mm, base broadly attenuate, margins entire, apex acute to obtuse, surfaces glabrous; venation pinnate, very obscure, midvein prominent. <b>Cyathial</b> arrangement: terminal pleiochasial branches 3, each usually 1–2 times 3-branched, sometimes unbranched; pleiochasial bracts similar in shape and size to distal leaves, alternate; dichasial bracts distinct, obovate to oblanceolate, base broadly attenuate, margins entire, apex acute to obtuse; axillary cymose branches 0. <b>Cyathia</b>: peduncle 0.7–1 mm. <b>Involucre</b> hemispheric, 1–1.5 × 1.4–2 mm, glabrous; glands 5, elliptic to slightly crescent-shaped, 0.4–0.6 × 0.9–1.1 mm; horns divergent, 0.1–0.2 mm. <b>Staminate</b> flowers 8–10. <b>Pistillate</b> flowers: ovary glabrous; styles 0.2–0.4 mm, 2-fid. <b>Capsules</b> depressed-ovoid, 1.1–1.5 × 2–3 mm, strongly 3-lobed; cocci rounded, minutely papillate, sometimes appearing smooth, glabrous; columella 1.6–1.9 mm. <b>Seeds</b> white, ovoid-globose, 1.8–2 × 1.6–1.8 mm, smooth; caruncle ± rounded and flattened, 0.3 × 0.3 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering and fruiting year-round (primarily spring–summer).
|habitat=Coastal beaches, sand dunes, thickets.
|elevation=0–10 m.
|distribution=Fla.;Mexico;West Indies;Central America.
|discussion=<p>Euphorbia trichotoma is found in coastal peninsular Florida from Hillsborough County south to Key West.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Euphorbia trichotoma
|author=
|authority=Kunth in A. von Humboldt et al.
|rank=species
|parent rank=subgenus
|synonyms=Galarhoeus trichotomus;Tithymalus trichotomus
|basionyms=
|family=Euphorbiaceae
|phenology=Flowering and fruiting year-round (primarily spring–summer).
|habitat=Coastal beaches, sand dunes, thickets.
|elevation=0–10 m.
|distribution=Fla.;Mexico;West Indies;Central America.
|reference=None
|publication title=Nov. Gen. Sp.
|publication year=1817
|special status=Conservation concern
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V12/V12_893.xml
|genus=Euphorbia
|subgenus=Euphorbia subg. Esula
|species=Euphorbia trichotoma
}}<!--

-->[[Category:Treatment]][[Category:Euphorbia subg. Esula]]