View source for Carex decomposita

{{Treatment/ID
|accepted_name=Carex decomposita
|accepted_authority=Muhlenberg
|publications={{Treatment/Publication
|title=Descr. Gram.,
|place=264. 1817
|year=1817
}}
|basionyms=
|synonyms=
|hierarchy=Cyperaceae;Carex;Carex sect. Heleoglochin;Carex decomposita
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cyperaceae]]</div><div class="higher-taxon"><small>genus</small>[[Carex]]</div><div class="higher-taxon"><small>section</small>[[Carex sect. Heleoglochin]]</div><div class="higher-taxon"><small>species</small>[[Carex decomposita]]</div></div>
|volume=Volume 23
|mention_page=page 280
|treatment_page=page 279
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Culms </b>5–120 cm. <b>Leaves</b>: sheaths adaxially strongly dotted purplish red, concave at mouth, not prolonged beyond base of blade; ligules 1.2–5.8 mm; foliage leaf blades 10–80 cm × 2.5–5.5(–7) mm. <b>Inflorescences</b> bisexual, evidently paniculate, proximal 3–9 branches well separated, (6–)7–15(–18) × 1–4.2 cm; basal branch with 9–33(–48) spikes; proximal internode 6–27 mm. <b>Pistillate</b> scales translucent with green center, 1.6–2.4 × 1–1.6 mm, shorter, narrower than perigynia. <b>Perigynia</b> spreading, deep olive green to brown, 8–11-veined abaxially, with or without slight median lengthwise depression, without membranous flap toward apex, obpyramidal or obovoid (body very widely obovoid or widely depressed-obovoid), unequally biconvex, 1.8–2.6 × 1.4–2 mm, shiny; beak 0.4–0.7 mm. <b>Achenes</b> oblong-ellipsoid to widely ellipsoid, 1.4–1.7 × 0.8–1 mm. <b>2n</b> = 60, 64, 66.</span><!--

-->{{Treatment/Body
|phenology=Fruiting mid Apr–Aug.
|habitat=Marshes, swamp forests, usually on rotten stumps, floating logs, or bases of trees (often Taxodium) or shrubs (Cephalanthus) on lake, pond, and slough margins
|elevation=0–300 m
|distribution=Ala.;Ark.;D.C.;Fla.;Ga.;Ill.;Ind.;Ky.;La.;Md.;Mich.;Miss.;Mo.;N.Y.;N.C.;Ohio;Okla.;S.C.;Tenn.;Tex.;Va.
|discussion=<p>The chiefly southeastern <i>Carex decomposita</i> is in the Ozark (in sinkhole ponds) but not the Appalachian province. Rare or local over much of its distributional range, it is most frequent on the Mississippi alluvial plain.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Carex decomposita
|authority=Muhlenberg
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Cyperaceae
|phenology=Fruiting mid Apr–Aug.
|habitat=Marshes, swamp forests, usually on rotten stumps, floating logs, or bases of trees (often Taxodium) or shrubs (Cephalanthus) on lake, pond, and slough margins
|elevation=0–300 m
|distribution=Ala.;Ark.;D.C.;Fla.;Ga.;Ill.;Ind.;Ky.;La.;Md.;Mich.;Miss.;Mo.;N.Y.;N.C.;Ohio;Okla.;S.C.;Tenn.;Tex.;Va.
|reference=None
|publication title=Descr. Gram.,
|publication year=1817
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_472.xml
|genus=Carex
|section=Carex sect. Heleoglochin
|species=Carex decomposita
}}<!--

-->[[Category:Treatment]][[Category:Carex sect. Heleoglochin]]