View source for Cyperus alopecuroides

{{Treatment/ID
|accepted_name=Cyperus alopecuroides
|accepted_authority=Rottbøll
|publications={{Treatment/Publication
|title=Descr. Pl. Rar.,
|place=20. 1772
|year=1772
}}
|basionyms=
|synonyms=
|hierarchy=Cyperaceae;Cyperus;Cyperus subg. Cyperus;Cyperus alopecuroides
|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. Cyperus]]</div><div class="higher-taxon"><small>species</small>[[Cyperus alopecuroides]]</div></div>
|volume=Volume 23
|mention_page=page 142, 174
|treatment_page=page 173
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, rhizomatous, coarse. <b>Culms</b> trigonous, 150–250 cm × 2–15 mm, glabrous. <b>Leaves</b> inversely W-shaped, 30–150 cm × 6–22 mm. <b>Inflorescences</b>: spikes 1–4, cylindric, 1.5–4 cm × 7–15 mm; rays 3–9, 10–26 cm; 2d order rays 2–11 cm; 3d order rays 1–4 cm (or absent); bracts 3–5, ± horizontal, 20–100 cm × 3–15 mm; 2d order bracts 2–7 cm × 2–7 mm; 3d order bracts 2–5 cm × 2–4 mm (or absent); rachilla persistent, wingless or wing hyaline, narrow, 0.1 mm wide. <b>Spikelets</b> 50–100, linear, ± quadrangular, slightly compressed, 8–11 × 0.9–1.2 mm; floral scales 15–30, marginally clear, laterally reddish along midrib, medially green, laterally 3–4 ribbed, medially 3–5-ribbed, ovate, 1–2–1.6 × 1.1–1.3 mm, apex mucronulate. <b>Flowers</b>: anthers 2, 0.4–0.5 mm; styles 0.8–1 mm; stigmas 2, 0.4 mm. <b>Achenes</b> dark brown, sessile, ellipsoid to obovoid, 0.9 × 0.4–0.5 mm, surfaces finely puncticulate.</span><!--

-->{{Treatment/Body
|phenology=Fruiting summer.
|habitat=Pond shores, stream banks
|elevation=0–30 m
|distribution=Fla.;West Indies;Asia;Africa;Australia.
|discussion=<p><i>Cyperus alopecuroides</i> has been introduced in Polk County, Florida.</p><!--
--><p>Plants of <i>Cyperus alopecuroides</i> might be confused with <i>C. digitatus</i>; large size and the biconvex achenes with two stigmas characterize <i>C. alopecuroides</i>.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Cyperus alopecuroides
|authority=Rottbøll
|rank=species
|parent rank=subgenus
|synonyms=
|basionyms=
|family=Cyperaceae
|phenology=Fruiting summer.
|habitat=Pond shores, stream banks
|elevation=0–30 m
|distribution=Fla.;West Indies;Asia;Africa;Australia.
|introduced=true
|reference=None
|publication title=Descr. Pl. Rar.,
|publication year=1772
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_289.xml
|genus=Cyperus
|subgenus=Cyperus subg. Cyperus
|species=Cyperus alopecuroides
}}<!--

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