View source for Cyperus thyrsiflorus

{{Treatment/ID
|accepted_name=Cyperus thyrsiflorus
|accepted_authority=Junghuhn
|publications={{Treatment/Publication
|title=Linnaea
|place=6: 24. 1831
|year=1831
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Cyperus anceps
|authority=Liebmann
}}{{Treatment/ID/Synonym
|name=Cyperus dissitiflorus
|authority=Nees ex Torrey
}}{{Treatment/ID/Synonym
|name=Cyperus pallens
|authority=(Liebmann) Standley & Steyermark
}}{{Treatment/ID/Synonym
|name=Cyperus regiomontanus var. pallens
|authority=(Liebmann) Kükenthal
}}{{Treatment/ID/Synonym
|name=Cyperus tribrachiatus
|authority=(Liebmann) Kükenthal
}}{{Treatment/ID/Synonym
|name=Mariscus dissitiflorus
|authority=(Torrey) C. B. Clarke
}}{{Treatment/ID/Synonym
|name=Mariscus pallens
|authority=Liebmann
}}{{Treatment/ID/Synonym
|name=Mariscus tribrachiatus
|authority=Liebmann
}}
|hierarchy=Cyperaceae;Cyperus;Cyperus subg. Cyperus;Cyperus thyrsiflorus
|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 thyrsiflorus]]</div></div>
|volume=Volume 23
|mention_page=page 148, 149, 183, 186
|treatment_page=page 185
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, rhizomatous. <b>Culms</b> trigonous, (15–) 20–40(–65) cm × 0.5–1 mm, glabrous. <b>Leaves</b> V-shaped, (10–)20–40 cm × 0.8–2.8(–3) mm, glabrous. <b>Inflorescences</b>: spike 1, densely oblong-cylindric, (15–)25–35(–40) × 12–18(–22) mm, (spikelets loosely spaced, 7–9 per 5 mm of rachis); rays (5–)6–8(–11), 0.5–4(–7.5) cm; bracts (4–)5–7(–8), ascending at 30º, (4–)10–30(–35) cm × (1–)2–4(–7) mm; rachilla deciduous, wings persistent, 0.4–0.5 mm wide. <b>Spikelets</b> (20–)40–80(–100), linear, ± cylindric, scarcely compressed, (4.5–)6–9(–11) × (0.5–) 0.6–0.7(–1) mm; floral scales persistent, (1–)2–3(–4), appressed, medially green, laterally light brown to tawny or bronze, medially (1–)3-ribbed, laterally 3-ribbed, oblong, (2.6–)2.8–3.2(–3.4) × (1–)1.2(–1.4) mm, apex acute, mucronulate, mucro to 0.1(–0.2) mm. <b>Flowers</b>: anthers 0.6–0.8 mm; styles (0.4–)0.6–1(–1.2) mm; stigmas persistent on achenes, prominently exserted from floral scales, (1.5–)2–3(–4) mm. <b>Achenes</b> brown to reddish brown, stipitate, narrowly oblong, 1.8–2.1 × (0.4–)0.5(–0.7) mm, stipe 0.1–0.2 × 0.1–0.2 mm, apex apiculate, acute, surfaces puncticulate.</span><!--

-->{{Treatment/Body
|phenology=Fruiting summer.
|habitat=Dry, open woods
|elevation=0–200 m
|distribution=Ala.;Fla.;Ga.;La.;Tex.;Mexico;West Indies;South America.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Cyperus thyrsiflorus
|author=
|authority=Junghuhn
|rank=species
|parent rank=subgenus
|synonyms=Cyperus anceps;Cyperus dissitiflorus;Cyperus pallens;Cyperus regiomontanus var. pallens;Cyperus tribrachiatus;Mariscus dissitiflorus;Mariscus pallens;Mariscus tribrachiatus
|basionyms=
|family=Cyperaceae
|phenology=Fruiting summer.
|habitat=Dry, open woods
|elevation=0–200 m
|distribution=Ala.;Fla.;Ga.;La.;Tex.;Mexico;West Indies;South America.
|reference=None
|publication title=Linnaea
|publication year=1831
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V23/V23_317.xml
|genus=Cyperus
|subgenus=Cyperus subg. Cyperus
|species=Cyperus thyrsiflorus
}}<!--

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