View source for Panicum tenerum

{{Treatment/ID
|accepted_name=Panicum tenerum
|accepted_authority=Beyr. ex Trin.
|publications=
|common_names=Blue-joint panicgrass
|basionyms=
|synonyms=
|hierarchy=Poaceae;Poaceae subfam. Panicoideae;Poaceae tribe Paniceae;Panicum;Panicum subg. Agrostoidea;Panicum sect. Tenera;Panicum tenerum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Poaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Poaceae subfam. Panicoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Poaceae tribe Paniceae]]</div><div class="higher-taxon"><small>genus</small>[[Panicum]]</div><div class="higher-taxon"><small>subgenus</small>[[Panicum subg. Agrostoidea]]</div><div class="higher-taxon"><small>section</small>[[Panicum sect. Tenera]]</div><div class="higher-taxon"><small>species</small>[[Panicum tenerum]]</div></div>
|volume=Volume 25
|mention_page=
|treatment_page=page 480
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial; cespitose, with short, knotted rhizomes. <b>Culms</b> 40-100 cm, erect, simple or branching from the lower nodes; nodes glabrous; internodes glabrous. <b>Sheaths</b> shorter than the internodes, usually glabrous, lower sheaths sometimes pilose at the summit, hairs papillose-based; ligules 0.1-0.4 mm; blades 4-19 cm long, 1.5-4 mm wide, mostly involute at maturity, erect, firm, abaxial surfaces usually glabrous, adaxial surfaces often sparsely pilose, particularly basally. <b>Panicles</b> 3-12 cm long, less than 1 cm wide, contracted, with few spikelets; branches 1-4 cm, few, ascending-appressed; ultimate branchlets 1-sided; pedicels 0.5-3 mm, scabridulous, appressed, usually with a few slender hairs at the apices. <b>Spikelets</b> 1.8-2.8 mm long, 0.8-1 mm wide, usually subsessile, lanceoloid to narrowly ovoid, green, often purplish-stained, glabrous, acute. <b>Lower</b> glumes 0.9-3 mm, 1/2 - 2/3 as long as the spikelets, 1-3-veined, not keeled over the midveins, acute or obtuse; upper glumes and lower lemmas subequal, 5-7-veined, midveins not keeled, acute to short-acuminate, occasionally gaping at the apices; lower florets sterile; lower paleas about 1/2 - 2/3 as long as the lower lemmas; upper florets 1.1-1.8 mm long, 0.6-0.8 mm wide, 2/5 – 3/4 as long as the spikelets, lustrous, usually brownish, apices glabrous; upper lemmas thick, stiff, clasping the upper paleas throughout their length. <b>2n</b> = 20.</span><!--

-->{{Treatment/Body
|distribution=Puerto Rico;Ga.;Tex.;La.;Ala.;N.C.;S.C.;Miss.;Fla.
|discussion=<p><i>Panicum tenerum</i> grows in wet or moist, sandy (often peaty) soil, depressions in pine savannahs, bogs, marshes, pond margins, and interdunal swales. Its range includes the Atlantic and Gulf coastal plains of the United States, the Antilles, Bahamas, and Central America. <i>Panicum tenerum</i> exhibits numerous features of the widespread and polymorphic <i>P. rigidulum</i>, particularly <i>P. rigidulum </i>subsp.<i> pubescens</i>.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Panicum tenerum
|author=
|authority=Beyr. ex Trin.
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Poaceae
|distribution=Puerto Rico;Ga.;Tex.;La.;Ala.;N.C.;S.C.;Miss.;Fla.
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V25/V25_1281.xml
|subfamily=Poaceae subfam. Panicoideae
|tribe=Poaceae tribe Paniceae
|genus=Panicum
|subgenus=Panicum subg. Agrostoidea
|section=Panicum sect. Tenera
|species=Panicum tenerum
}}<!--

-->[[Category:Treatment]][[Category:Panicum sect. Tenera]]