View source for Eleocharis tricostata

{{Treatment/ID
|accepted_name=Eleocharis tricostata
|accepted_authority=Torrey
|publications={{Treatment/Publication
|title=Ann. Lyceum Nat. Hist. New York.
|place=3: 310. 1836
|year=1836
}}
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Cyperaceae;Eleocharis;Eleocharis subg. Eleocharis;Eleocharis sect. Eleocharis;Eleocharis (sect. Eleocharis) ser. Eleocharis;Eleocharis tricostata
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cyperaceae]]</div><div class="higher-taxon"><small>genus</small>[[Eleocharis]]</div><div class="higher-taxon"><small>subgenus</small>[[Eleocharis subg. Eleocharis]]</div><div class="higher-taxon"><small>section</small>[[Eleocharis sect. Eleocharis]]</div><div class="higher-taxon"><small>series</small>[[Eleocharis (sect. Eleocharis) ser. Eleocharis]]</div><div class="higher-taxon"><small>species</small>[[Eleocharis tricostata]]</div></div>
|volume=Volume 23
|mention_page=page 66, 80, 87
|treatment_page=page 88
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial, mat-forming; rhizomes evident, fairly long, 1.5–3 mm thick, hard, cortex persistent, longer internodes 1.5–3 mm, scales disintegrating to fibers, 4–5 mm, papery. <b>Culms</b> terete, often with 8–12 blunt ridges when dry, 20–55 cm × 0.3–1.3 mm, soft to hard. <b>Leaves</b>: distal leaf sheaths persistent, rarely splitting, proximally red to stramineous, distally green to reddish, papery, apex often dark reddish, subtruncate to obtuse, not callose, tooth present on some or all culms of plant, to 0.5 mm. <b>Spikelets</b> cylindric to ovoid, 5–20 × 2–3 mm, apex rounded to subacute; proximal scale amplexicaulous, apex entire; subproximal scale empty; floral scales appressed in fruit, 20–200+, 10 per mm of rachilla, dark brown, midrib regions often stramineous or greenish, oblong, 1.7–2.5 × 1 mm, apex entire, broadly rounded, usually recurved, mostly carinate. <b>Flowers</b>: perianth bristles absent; stamens 3; anthers dark yellow, 1–1.5 mm; styles 3-fid. <b>Achenes</b> falling with scales, medium to dark brown, obovoid to obpyriform, with short neck, thickly trigonous, angles prominent (keeled), 0.7–0.9 × 0.4–0.6 mm, obscurely to clearly rugulose at 10–20X with more than 20 horizontal ridges in vertical series and/or minutely cancellate at 20–30X. <b>Tubercles</b> brown, rudimentary, mostly apiculate, sometimes pyramidal, 0.05–0.15 × 0.15–0.2 mm.</span><!--

-->{{Treatment/Body
|phenology=Fruiting late spring–summer.
|habitat=Wet sandy or peaty depressions, pond margins, pine barrens, savannas, mostly coastal plains
|elevation=10–200 m
|distribution=Ala.;Fla.;Ga.;Mass.;Mich.;N.J.;N.Y.;N.C.;S.C.;Va.
|discussion=<p>I have not seen specimens to verify reports of <i>Eleocharis tricostata</i> from Louisiana. In the absence of rhizomes and achenes, <i>E. tricostata</i> is easily mistaken for <i>E. montevidensis</i>.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Eleocharis tricostata
|authority=Torrey
|rank=species
|parent rank=series
|synonyms=
|basionyms=
|family=Cyperaceae
|phenology=Fruiting late spring–summer.
|habitat=Wet sandy or peaty depressions, pond margins, pine barrens, savannas, mostly coastal plains
|elevation=10–200 m
|distribution=Ala.;Fla.;Ga.;Mass.;Mich.;N.J.;N.Y.;N.C.;S.C.;Va.
|reference=None
|publication title=Ann. Lyceum Nat. Hist. New York.
|publication year=1836
|special status=Illustrated;Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_123.xml
|genus=Eleocharis
|subgenus=Eleocharis subg. Eleocharis
|section=Eleocharis sect. Eleocharis
|series=Eleocharis (sect. Eleocharis) ser. Eleocharis
|species=Eleocharis tricostata
}}<!--

-->[[Category:Treatment]][[Category:Eleocharis (sect. Eleocharis) ser. Eleocharis]]