View source for Cyperus eragrostis

{{Treatment/ID
|accepted_name=Cyperus eragrostis
|accepted_authority=Lamarck in J. Lamarck and J. Poiret
|publications={{Treatment/Publication
|title=in J. Lamarck and J. Poiret, Tabl. Encycl.
|place=1: 146. 1791
|year=1791
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Cyperus vegetus
|authority=Willdenow
|rank=species
}}
|hierarchy=Cyperaceae;Cyperus;Cyperus subg. Pycnostachys;Cyperus eragrostis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cyperaceae]]</div><div class="higher-taxon"><small>genus</small>[[Cyperus]]</div><div class="higher-taxon"><small>subgenus</small>[[Cyperus subg. Pycnostachys]]</div><div class="higher-taxon"><small>species</small>[[Cyperus eragrostis]]</div></div>
|volume=Volume 23
|mention_page=page 143, 153, 180
|treatment_page=page 154
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, cespitose, rhizomatous. <b>Culms</b> trigonous to terete, (25–)40–60(–90) cm, glabrous. <b>Leaves</b> flat or V-shaped, (10–)25–50 cm × 5–8(–12) mm. <b>Inflorescences</b>: heads globose, (10–)20–40 mm diam.; rays (0–)3–10, 2.5–5(–12) cm; 2d order rays usually absent (when present, 0.5–1.5 cm); bracts 4–8, horizontal to ascending at 15–30°, flat (or V-shaped), 3–30(–50) cm × 1.5–8(–12) mm. <b>Spikelets</b> (20–)30–50(–70), oblong, compressed, 5–20 × 2.2–3 mm; floral scales (12–)20–30(–50), off-white to golden brown, basally 2-keeled, laterally ribless, ovate-deltate, 2–2.3 × 1–1.4 mm (declined 30–40º from rachilla). <b>Flowers</b>: stamen 1; anthers 1–1.2 mm; styles 1–1.2 mm; stigmas 0.5 mm. <b>Achenes</b> black or dark brown, stipitate, broadly ellipsoid, 1.2–1.4 × 0.5–0.6 mm, stipe to 0.1 mm, apex apiculate, beak 0.2–0.3 mm, surfaces puncticulate.</span><!--

-->{{Treatment/Body
|phenology=Fruiting summer.
|habitat=Damp grasslands, roadsides ditches
|elevation=0–200 m
|distribution=B.C.;Ala.;Calif.;La.;Miss.;N.J.;Oreg.;Pa.;S.C.;Tex.;Wash.;South America;naturalized;Europe.
|discussion=<p>The distributions of <i>Cyperus eragrostis</i> in British Columbia, Alabama, Pennsylvania, South Carolina, and Texas represent introduced populations.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Cyperus eragrostis
|authority=Lamarck in J. Lamarck and J. Poiret
|rank=species
|parent rank=subgenus
|synonyms=Cyperus vegetus
|basionyms=
|family=Cyperaceae
|phenology=Fruiting summer.
|habitat=Damp grasslands, roadsides ditches
|elevation=0–200 m
|distribution=B.C.;Ala.;Calif.;La.;Miss.;N.J.;Oreg.;Pa.;S.C.;Tex.;Wash.;South America;naturalized;Europe.
|reference=None
|publication title=in J. Lamarck and J. Poiret, Tabl. Encycl.
|publication year=1791
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_238.xml
|genus=Cyperus
|subgenus=Cyperus subg. Pycnostachys
|species=Cyperus eragrostis
}}<!--

-->[[Category:Treatment]][[Category:Cyperus subg. Pycnostachys]]