View source for Cyperus floribundus

{{Treatment/ID
|accepted_name=Cyperus floribundus
|accepted_authority=(Kükenthal) J. Rich. Carter & S. D. Jones
|publications={{Treatment/Publication
|title=Rhodora
|place=99: 330. 1998
|year=1998
}}
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms={{Treatment/ID/Basionym
|name=Cyperus uniflorus var. floribundus
|authority=Kükenthal
|rank=variety
|publication_title=in H. G. A. Engler, Pflanzenr.
|publication_place=20[IV,101]: 521. 1936
}} {{Treatment/ID/Basionym
|name=Cyperus uniflorus
|authority=Torrey & Hooker
|rank=species
|publication_title=
|publication_place=1836
}}
|synonyms=
|hierarchy=Cyperaceae;Cyperus;Cyperus subg. Cyperus;Cyperus floribundus
|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 floribundus]]</div></div>
|volume=Volume 23
|mention_page=page 186, 187
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, cespitose, rhizomatous. <b>Culms</b> trigonous, basally tuberous thickened, 15–40 cm × 1–2.5 mm, glabrous. <b>Leaves</b> flat to V-shaped, 10–30 cm × 1–2 mm. <b>Inflorescences</b>: spike 1, densely oblong to ellipsoid, 8–36 × 8–20 mm; rays 4–12, 10–20 cm; bracts 3–6, horizontal to ascending at 30°, V-shaped, 3–15 cm × (3–)4–5.8 mm; rachilla deciduous, wings 0.5–0.7 mm wide. <b>Spikelets</b> (5–)20–35(–60), linear to oblong, quadrangular; 4–12(–21) × 0.7–1.2 mm, base narrowed to 0.4–1 mm; floral scales persistent, 1–3(–5), appressed, laterally whitish to reddish brown, stramineous with reddish spots, medially green, laterally 3–6-ribbed (midrib distinctly scabrid at 30X), narrowly oblong to ovate, 2.6–4.8 × 1.6–2 mm; apex rounded to ± acute, entire, with mucro 0.3–0.5 mm; sterile terminal scale involute, 0.4–0.6 mm wide, uncinate; distal floral scales with cusp 0.6–1.9. <b>Flowers</b>: anthers 0.5–1.3 mm; styles 0.4–0.5 mm; stigmas 0.5–0.9 mm. <b>Achenes</b> light brown to reddish brown, sessile to slightly stipitate, narrowly ellipsoid, 1.8–2.4 × 0.6–0.8 mm, apex slightly apiculate, surfaces puncticulate.</span><!--

-->{{Treatment/Body
|phenology=Fruiting mid summer–early fall (Jul–Sep).
|habitat=Damp, disturbed soils, croplands
|elevation=0–1000 m
|distribution=Tex.;Mexico.
|discussion=<p>Included previously in <i>Cyperus retroflexus</i> (or its synonym <i>C. uniflorus</i>), <i>C. floribundus</i> has a much narrower geographic range (southern Texas and northeastern Mexico) and differs in features of spikelet morphology (J. R. Carter and S. D. Jones 1997).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Cyperus floribundus
|authority=(Kükenthal) J. Rich. Carter & S. D. Jones
|rank=species
|parent rank=subgenus
|synonyms=
|basionyms=Cyperus uniflorus var. floribundus;Cyperus uniflorus
|family=Cyperaceae
|phenology=Fruiting mid summer–early fall (Jul–Sep).
|habitat=Damp, disturbed soils, croplands
|elevation=0–1000 m
|distribution=Tex.;Mexico.
|reference=None
|publication title=Rhodora
|publication year=1998
|special status=Illustrated
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_322.xml
|genus=Cyperus
|subgenus=Cyperus subg. Cyperus
|species=Cyperus floribundus
}}<!--

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