View source for Cyperus houghtonii

{{Treatment/ID
|accepted_name=Cyperus houghtonii
|accepted_authority=Torrey
|publications={{Treatment/Publication
|title=Ann. Lyceum Nat. Hist. New York
|place=3: 277. 1836
|year=1836
}}
|common_names=Houghton’s flatsedge
|basionyms=
|synonyms=
|hierarchy=Cyperaceae;Cyperus;Cyperus subg. Cyperus;Cyperus houghtonii
|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 houghtonii]]</div></div>
|volume=Volume 23
|mention_page=page 144, 147, 174
|treatment_page=page 175
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, cespitose, bases cormose, rhizomatous. <b>Culms</b> trigonous, 5–50 cm × 0.5–1.5 mm, glabrous. <b>Leaves</b> V-shaped, 12–30 cm × 1–6 mm. <b>Inflorescences</b>: spikes ± globose to broadly ovoid, 8–20 mm wide; rays 1–8 cm; rachis 2–5 mm, glabrous; bracts 3–8, weakly ascending, flat, 3–20 cm × 1–3.5 mm; rachilla deciduous, wingless. <b>Spikelets</b> 3–18, compressed, ovoid to oblong-lanceoloid, 4–15 × 2.6–3.4 mm; floral scales deciduous, 3–18, laterally stramineous to reddish brown, laterally 3–4-ribbed, broadly ovate, 1.8–2.5 × 1.3–1.6 mm, apex with mucro 0.1–0.2 mm. <b>Flowers</b>: anthers 0.5–0.7 mm; styles 0.4–0.6 mm; stigmas 1–1.5 mm. <b>Achenes</b> dark brown, sessile, broadly ellipsoid, 1.5–2 × 1–1.5 mm, apex obtuse, apiculate, surface glabrous, puncticulate, or papillose. <b>2n</b> = 168, 170, 172.</span><!--

-->{{Treatment/Body
|phenology=Fruiting summer.
|habitat=Riverbanks, sand bars, lakeshores, sand dunes, sandy openings in woods, especially among Jack pines
|elevation=0–1100 m
|distribution=Man.;Ont.;Que.;Ill.;Ind.;Maine;Md.;Mass.;Mich.;Minn.;N.H.;N.J.;N.Y.;Ohio;Pa.;Vt.;Va.;W.Va.;Wis.
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Cyperus houghtonii
|authority=Torrey
|rank=species
|parent rank=subgenus
|synonyms=
|basionyms=
|family=Cyperaceae
|phenology=Fruiting summer.
|habitat=Riverbanks, sand bars, lakeshores, sand dunes, sandy openings in woods, especially among Jack pines
|elevation=0–1100 m
|distribution=Man.;Ont.;Que.;Ill.;Ind.;Maine;Md.;Mass.;Mich.;Minn.;N.H.;N.J.;N.Y.;Ohio;Pa.;Vt.;Va.;W.Va.;Wis.
|reference=None
|publication title=Ann. Lyceum Nat. Hist. New York
|publication year=1836
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_292.xml
|genus=Cyperus
|subgenus=Cyperus subg. Cyperus
|species=Cyperus houghtonii
}}<!--

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