View source for Chasmanthium sessiliflorum

{{Treatment/ID
|accepted_name=Chasmanthium sessiliflorum
|accepted_authority=(Poir.) H.O. Yates
|publications=
|common_names=Longleaf chasmanthium
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Uniola sessiliflora
|authority=
|rank=species
}} {{Treatment/ID/Synonym
|name=Chasmanthium laxum subsp. sessiliflorum
|authority=
|rank=subspecies
}}
|hierarchy=Poaceae;Poaceae subfam. Centothecoideae;Poaceae tribe Centotheceae;Chasmanthium;Chasmanthium sessiliflorum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Poaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Poaceae subfam. Centothecoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Poaceae tribe Centotheceae]]</div><div class="higher-taxon"><small>genus</small>[[Chasmanthium]]</div><div class="higher-taxon"><small>species</small>[[Chasmanthium sessiliflorum]]</div></div>
|volume=Volume 25
|mention_page=
|treatment_page=page 346
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Culms </b>60-150 cm, (1)2-3.5 mm thick at the nodes, unbranched, leafy for 40% of their height. <b>Sheaths</b> pilose; collars pilose; ligules 0.2-0.3 mm, entire; blades (15)20-50 cm long, 4.5-9.5(15) mm wide, linear-lanceolate, sparsely pilose adaxially. <b>Panicles</b> (9)20-70 cm, contracted or open, erect; branches tightly appressed or ascending to strongly divergent; axils of panicle branches glabrous or scabridulous at the edges; pedicels 0.3-2.5(5) mm. <b>Spikelets</b> 4-10 mm long, 6-9 mm wide, with 4-7(8) florets, lower 1(2) florets sterile, fertile florets divergent to 80°. <b>Lower</b> glumes 1.2-2.7 mm, 3-5-veined; upper glumes 1.4-2.2 mm, 3-5-veined; calluses glabrous; fertile lemmas 3.5-5.9 mm, usually curved or irregularly contorted, 7-9-veined, keels not winged, apices scabridulous; paleas 2.8-4 mm; anthers (0.8)1.3-1.6 mm, varying in length within a spikelet. <b>Caryopses</b> 2-2.5 mm, exposed at maturity. <b>2n</b> = 24.</span><!--

-->{{Treatment/Body
|distribution=Va.;Okla.;Miss.;Tex.;La.;Mo.;Ala.;Tenn.;N.C.;S.C.;Ark.;Ga.;Fla.
|discussion=<p><i>Chasmanthium sessiliflorum</i> grows in rich woods, meadows, and swamps, especially on the coastal plain. It grows throughout most of the southeastern United States.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Chasmanthium sessiliflorum
|authority=(Poir.) H.O. Yates
|rank=species
|parent rank=genus
|synonyms=Uniola sessiliflora;Chasmanthium laxum subsp. sessiliflorum
|basionyms=
|family=Poaceae
|illustrator=Linda A. Vorobik;Hana Pazdírková
|illustration copyright=Utah State University
|distribution=Va.;Okla.;Miss.;Tex.;La.;Mo.;Ala.;Tenn.;N.C.;S.C.;Ark.;Ga.;Fla.
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V25/V25_1038.xml
|subfamily=Poaceae subfam. Centothecoideae
|tribe=Poaceae tribe Centotheceae
|genus=Chasmanthium
|species=Chasmanthium sessiliflorum
}}<!--

-->[[Category:Treatment]][[Category:Chasmanthium]]