View source for Juncus cooperi

{{Treatment/ID
|accepted_name=Juncus cooperi
|accepted_authority=Engelmann
|publications={{Treatment/Publication
|place=2:590. 1868
|year=1868
}}
|common_names=Cooper's rush
|basionyms=
|synonyms=
|hierarchy=Juncaceae;Juncus;Juncus subg. Juncus;Juncus cooperi
|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. Juncus]]</div><div class="higher-taxon"><small>species</small>[[Juncus cooperi]]</div></div>
|volume=Volume 22
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, robust, tufted, 4–10 dm. <b>Rhizomes</b> short. <b>Culms</b> terete, 1.5–2.5 mm diam. <b>Cataphylls</b> several, reddish brown, often apiculate. <b>Leaves</b> basal, 1–2; auricles essentially absent; blade terete, 10–40 dcm, shorter than culm. <b>Inflorescences</b> glomerules 3–12, each with (1–)2–5 flowers, open, branches unequal, 3–12 cm, primary bract terete or slightly compressed, shorter to longer than inflorescence. <b>Flowers</b>: tepals straw-colored to pale green, ovate-lanceolate, 4–5 mm, apex acuminate or setaceous; inner series elliptic, nearly equal, margins wide, scarious, apiculate; stamens 6, filaments 1 mm, anthers 1.5–2 mm; style 1 mm. <b>Capsules</b> tan to light reddish brown, 3-locular, ellipsoid, 3.7–4.5 ×&#61472;1.6–2 mm, mostly shorter than or nearly equal to perianth. <b>Seeds</b> dark amber, obovoid, body 0.7–1 mm, tails 0.1–0.5 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering and fruiting spring–summer.
|habitat=Saline flats and meadows or edges of salt marshes
|elevation=below 600 m
|distribution=Ariz.;Calif.;Nev.;Utah;Mexico.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Juncus cooperi
|author=
|authority=Engelmann
|rank=species
|parent rank=subgenus
|synonyms=
|basionyms=
|family=Juncaceae
|phenology=Flowering and fruiting spring–summer.
|habitat=Saline flats and meadows or edges of salt marshes
|elevation=below 600 m
|distribution=Ariz.;Calif.;Nev.;Utah;Mexico.
|reference=None
|publication title=
|publication year=1868
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V22/V22_167.xml
|genus=Juncus
|subgenus=Juncus subg. Juncus
|species=Juncus cooperi
}}<!--

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