View source for Cyperus pilosus

{{Treatment/ID
|accepted_name=Cyperus pilosus
|accepted_authority=Vahl
|publications={{Treatment/Publication
|title=Enum. Pl.
|place=2: 354. 1805
|year=1805
}}
|common_names=Fuzzy flatsedge
|special_status={{Treatment/ID/Special_status
|code=I
|label=Introduced
}}{{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms=
|synonyms=
|hierarchy=Cyperaceae;Cyperus;Cyperus subg. Cyperus;Cyperus pilosus
|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 pilosus]]</div></div>
|volume=Volume 23
|mention_page=page 147, 165, 167
|treatment_page=page 166
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual or perennial, cespitose; stolons slender, to 5 cm × 1.5 mm. <b>Culms</b> trigonous, 25–90 cm × 2 mm, hispidulous or glabrous on angles distally. <b>Leaves</b> flat, 10–35 cm × 3–10 mm. <b>Inflorescences</b>: spikes 1–4(–6), loosely oblong-ovoid, 2–3 × 1–2 cm; rays 3–10, 1–16 cm; 2d order rays to 3 cm; rachis hispidulous, prickles slender, 0.1–0.2 mm; bracts 3–5, ± ascending, flat, 5–35 cm × 0.5–5(–7) mm; rachilla persistent, wingless. <b>Spikelets</b> 15–40, linear-lanceoloid, compressed, 6–12 × 1.5–2 mm; floral scales deciduous, 8–16, light brown with clear border, laterally 2–3-ribbed, ovate, 1.8–2 × 1.2–1.6 mm; apex entire, emarginate, or mucronulate, mucro at most 0.3 mm. <b>Flowers</b>: anthers 0.4 mm; styles 0.6 mm; stigmas 1 mm. <b>Achenes</b> brown, sessile, broadly ellipsoid, 1–1.2 × 0.5 mm, apex obtuse, apiculate, surfaces puncticulate.</span><!--

-->{{Treatment/Body
|phenology=Fruiting summer.
|habitat=Rice fields, wetlands, emergent muddy shores
|elevation=0–50 m
|distribution=Fla.;La.;Miss.;S.C.;Asia.
|introduced=true
|discussion=<p><i>Cyperus pilosus</i> was naturalized in the flora from eastern Asia, apparently early in the twentieth century.</p><!--
--><p>The combination of hispidulous rachis and loosely oblong-ovoid spikes is sufficient to distinguish <i>Cyperus pilosus</i> from any others with deciduous floral scales.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Cyperus pilosus
|authority=Vahl
|rank=species
|parent rank=subgenus
|synonyms=
|basionyms=
|family=Cyperaceae
|phenology=Fruiting summer.
|habitat=Rice fields, wetlands, emergent muddy shores
|elevation=0–50 m
|distribution=Fla.;La.;Miss.;S.C.;Asia.
|introduced=true
|reference=None
|publication title=Enum. Pl.
|publication year=1805
|special status=Introduced;Illustrated
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_269.xml
|genus=Cyperus
|subgenus=Cyperus subg. Cyperus
|species=Cyperus pilosus
}}<!--

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