View source for Cyperus acuminatus

{{Treatment/ID
|accepted_name=Cyperus acuminatus
|accepted_authority=Torrey & Hooker
|publications={{Treatment/Publication
|title=Ann. Lyceum Nat. Hist. New York
|place=3: 435. 1836
|year=1836
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Cyperus acuminatus var. cyrtolepis
|authority=(Torrey & Hooker) Kükenthal
}} {{Treatment/ID/Synonym
|name=Cyperus cyrtolepis
|authority=Torrey & Hooker
}} {{Treatment/ID/Synonym
|name=Cyperus cyrtolepis var. denticarinatus
|authority=(Britton) Britton
}} {{Treatment/ID/Synonym
|name=Cyperus rufescens var. denticarinatus
|authority=Britton
}}
|hierarchy=Cyperaceae;Cyperus;Cyperus subg. Pycnostachys;Cyperus acuminatus
|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. Pycnostachys]]</div><div class="higher-taxon"><small>species</small>[[Cyperus acuminatus]]</div></div>
|volume=Volume 23
|mention_page=page 143, 150, 165
|treatment_page=page 152
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual, cespitose. <b>Culms</b> roundly trigonous, (10–)20–30(–45) cm × 0.4–1.2 mm, distal 1/2 glabrous or infrequently scabridulous. <b>Leaves</b> 2–6(–8), V-shaped or flat, 8–12(–16) cm × 1–2(–4) mm. <b>Inflorescences</b>: heads hemispheric, 7–12(–15) mm diam.; rays 1–3(–5), 0.5–2 cm; bracts 3–6, longest erect to ascending, flat to V-shaped, (1.5–)3–12(–25) cm × 1–2.5(–3.5) mm. <b>Spikelets</b> (15–)25–50(–75), ovoid, compressed, 4–7 × 2–3 mm; floral scales 8–20(–35), laterally yellowish, yellowish green, or light reddish brown, medially light brown or greenish brown, 2-keeled, subtly 1-ribbed, ovate-lanceolate, 1–2 × 1–1.4 mm, apex acute, mucronate, straight to excurved, glabrous or sparsely scabridulous. <b>Flowers</b>: stamen 1; anthers 0.5 mm; styles 0.8–1.1 mm; stigmas 0.5 mm. <b>Achenes</b> brown, stipitate, broadly ellipsoid, abruptly contracted to base, 0.8–1.1 × 0.3–0.4 mm, stipe 0.1 mm, apex acute, tapering to slender beak formed of persistent style base, surfaces papillose.</span><!--

-->{{Treatment/Body
|phenology=Fruiting summer–fall (Jul–Oct).
|habitat=Wet, often sandy shores and damp, disturbed soils
|elevation=0–1500 m
|distribution=Ala.;Ariz.;Ark.;Calif.;Colo.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Mich.;Minn.;Mo.;Mont.;Nebr.;N.H. (introduced?);N.Y. (introduced?);N.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa. (introduced?);S.Dak.;Tenn.;Tex.;Utah;Va.;Wash.;Wyo.;Mexico (Coahuila;Tamaulipas).
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Cyperus acuminatus
|author=
|authority=Torrey & Hooker
|rank=species
|parent rank=subgenus
|synonyms=Cyperus acuminatus var. cyrtolepis;Cyperus cyrtolepis;Cyperus cyrtolepis var. denticarinatus;Cyperus rufescens var. denticarinatus
|basionyms=
|family=Cyperaceae
|phenology=Fruiting summer–fall (Jul–Oct).
|habitat=Wet, often sandy shores and damp, disturbed soils
|elevation=0–1500 m
|distribution=Ala.;Ariz.;Ark.;Calif.;Colo.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Mich.;Minn.;Mo.;Mont.;Nebr.;N.H. (introduced?);N.Y. (introduced?);N.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa. (introduced?);S.Dak.;Tenn.;Tex.;Utah;Va.;Wash.;Wyo.;Mexico (Coahuila;Tamaulipas).
|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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V23/V23_233.xml
|genus=Cyperus
|subgenus=Cyperus subg. Pycnostachys
|species=Cyperus acuminatus
}}<!--

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