View source for Juncus acuminatus

{{Treatment/ID
|accepted_name=Juncus acuminatus
|accepted_authority=Michaux
|publications={{Treatment/Publication
|title=Flora Boreali-Americana
|place=1: 192. 1803
|year=1803
}}
|common_names=Sharp-fruited rush
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Juncus acuminatus var. legitimus
|authority=Engelmann
|rank=variety
}} {{Treatment/ID/Synonym
|name=Juncus pallescens
|authority=A. W. Wood
|rank=species
}} {{Treatment/ID/Synonym
|name=Juncus pondii
|authority=
|rank=species
}}
|hierarchy=Juncaceae;Juncus;Juncus subg. Septati;Juncus acuminatus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Juncaceae]]</div><div class="higher-taxon"><small>genus</small>[[Juncus]]</div><div class="higher-taxon"><small>subgenus</small>[[Juncus subg. Septati]]</div><div class="higher-taxon"><small>species</small>[[Juncus acuminatus]]</div></div>
|volume=Volume 22
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, cespitose, not rhizomatous, 1.4–10 dm. <b>Culms</b> erect, terete, 1–3 mm diam., smooth. <b>Cataphylls</b> 1–2, gray, apex acute. <b>Leaves</b>: basal 1–2, cauline 1–2; auricles 1–1.5 mm, apex rounded, scarious; blade green, straw-colored, or pink, nearly terete, 1–40 cm. <b>Inflorescences</b> terminal panicles of 5–50 heads, 5–15 cm, branches ascending; primary bract erect; heads (2–)5–20(–50)-flowered, hemispheric (to spheric), 3–10 mm diam. <b>Flowers</b>: tepals light brown to greenish, lanceolate, 2.6–3.5(–3.9) mm, apex acuminate; stamens 3 (or 6), anthers 1/3 filament length. <b>Capsules</b> equaling perianth or slightly exserted, straw-colored, 1-locular, ellipsoid to narrowly ovoid, 2.8–3.5(–4) mm, apex acute, valves separating at dehiscence, fertile throughout or only proximal to middle. <b>Seeds</b> ellipsoid to oblong, 0.3–0.4 mm, not tailed; body clear yellow-brown. <b>2n</b> = 40.</span><!--

-->{{Treatment/Body
|phenology=Fruiting early summer–fall.
|habitat=Shores, swamps, ditches, springs, wet meadows, and rock outcrops
|elevation=0–2200 m
|distribution=B.C.;N.S.;Ont.;Que.;Ala.;Ariz.;Ark.;Calif.;Colo.;Conn.;Del.;D.C.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Mont.;Nebr.;N.H.;N.J.;N.Mex.;N.Y.;N.C.;Ohio.;Okla.;Oreg.;Pa.;R.I.;S.C.;Tenn.;Tex.;Vt.;Va.;Wash.;W.Va.;Wis.;Mexico;Central America (Honduras).
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Juncus acuminatus
|authority=Michaux
|rank=species
|parent rank=subgenus
|synonyms=Juncus acuminatus var. legitimus;Juncus pallescens;Juncus pondii
|basionyms=
|family=Juncaceae
|phenology=Fruiting early summer–fall.
|habitat=Shores, swamps, ditches, springs, wet meadows, and rock outcrops
|elevation=0–2200 m
|distribution=B.C.;N.S.;Ont.;Que.;Ala.;Ariz.;Ark.;Calif.;Colo.;Conn.;Del.;D.C.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Mont.;Nebr.;N.H.;N.J.;N.Mex.;N.Y.;N.C.;Ohio.;Okla.;Oreg.;Pa.;R.I.;S.C.;Tenn.;Tex.;Vt.;Va.;Wash.;W.Va.;Wis.;Mexico;Central America (Honduras).
|reference=None
|publication title=Flora Boreali-Americana
|publication year=1803
|special status=Illustrated
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V22/V22_301.xml
|genus=Juncus
|subgenus=Juncus subg. Septati
|species=Juncus acuminatus
}}<!--

-->[[Category:Treatment]][[Category:Juncus subg. Septati]]