View source for Andropogon virginicus

{{Treatment/ID
|accepted_name=Andropogon virginicus
|accepted_authority=L.
|publications=
|common_names=Broomsedge bluestem
|basionyms=
|synonyms=
|hierarchy=Poaceae;Poaceae subfam. Panicoideae;Poaceae tribe Andropogoneae;Andropogon;Andropogon sect. Leptopogon;Andropogon virginicus
|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 Andropogoneae]]</div><div class="higher-taxon"><small>genus</small>[[Andropogon]]</div><div class="higher-taxon"><small>section</small>[[Andropogon sect. Leptopogon]]</div><div class="higher-taxon"><small>species</small>[[Andropogon virginicus]]</div></div>
|volume=Volume 25
|mention_page=
|treatment_page=page 659
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>cespitose, dense and cylindrical to obpyramidal above. <b>Culms</b> 40-210 cm; internodes glaucous or not; branches erect to ascending, usually straight, sometimes arching. <b>Sheaths</b> usually smooth, rarely some¬what scabrous; ligules 0.2-1 mm, ciliate, cilia 0.2-1.3 mm; blades 11-52 cm long, 1.7-6.5 mm wide, smooth and glabrous or sparsely to densely pubescent with spreading hairs. <b>Inflorescence</b> units 6-195 per culm; subtending sheaths (2.1)3.1-4.6(6.7) cm long, (1.7)3-3.8(5.6) mm wide; peduncles usually (1)4-6(30) mm, with 2-7 rames; rames (0.5)1.7-2.8(4.4) cm, sometimes exerted at maturity, pubescence sparse basally and increasing in density distally within each internode. <b>Sessile</b> spikelets (2.6)3.5-3.8(4.7) mm; callus hairs 1-3 mm; keels of lower glume usually smooth below midlength, scabrous distally; awns 6-21 mm; anthers 1(3), 0.6-1.5 mm, yellow or purple. <b>Pedicellate</b> spikelets vestigial to absent. <b>2n</b> = 20.</span><!--

-->{{Treatment/Body
|distribution=Conn.;N.J.;N.Y.;Del.;D.C.;W.Va.;Pacific Islands (Hawaii);Fla.;Puerto Rico;Mass.;R.I.;La.;N.C.;Tenn.;S.C.;Pa.;Va.;Ont.;Calif.;Ala.;Ark.;Ill.;Ga.;Ind.;Iowa;Okla.;Ky.;Md.;Kans.;Tex.;Ohio;Mo.;Mich.;Miss.
|discussion=<p><i>Andropogon virginicus</i> is native from the southeastern United States to northern South America, but has become established outide its native range in California, Hawaii, Japan, and Australia. Three varieties are recognized, two of which contain morphologically distinct variants. <i>Andropogon virginicus</i> hybridizes with <i>A. glomeratus</i> and <i>A. longiberbis</i> (Campbell 1986).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Leaves bluish-green, more or less strongly glaucous
|[[Andropogon virginicus var. glaucus|Andropogon virginicus var. glaucus]]
|-id=key-0-1
|1
|Leaves green, sometimes somewhat glaucous.
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Sheaths subtending the inflorescence units (1.7)2.4-3.1(4) mm wide; inflorescences units usually with 2 rames; rames (1.3)1.5-2.3(3) cm long; peduncles (1) 4-9 (30) mm long
|[[Andropogon virginicus var. decipiens|Andropogon virginicus var. decipiens]]
|-id=key-0-2
|2
|Sheaths subtending the inflorescences units (2.2)3.3-4.4(5.6) mm wide; inflorescence units with 2-5(7) rames; rames (0.5)1.9-3.3(4.4) cm long; peduncles (2)3-6(12) mm long
|[[Andropogon virginicus var. virginicus|Andropogon virginicus var. virginicus]]
|}
</div></div><!--

-->{{#Taxon:
name=Andropogon virginicus
|authority=L.
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Poaceae
|illustrator=Linda A. Vorobik;Hana Pazdírková
|illustration copyright=Utah State University
|distribution=Conn.;N.J.;N.Y.;Del.;D.C.;W.Va.;Pacific Islands (Hawaii);Fla.;Puerto Rico;Mass.;R.I.;La.;N.C.;Tenn.;S.C.;Pa.;Va.;Ont.;Calif.;Ala.;Ark.;Ill.;Ga.;Ind.;Iowa;Okla.;Ky.;Md.;Kans.;Tex.;Ohio;Mo.;Mich.;Miss.
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V25/V25_1589.xml
|subfamily=Poaceae subfam. Panicoideae
|tribe=Poaceae tribe Andropogoneae
|genus=Andropogon
|section=Andropogon sect. Leptopogon
|species=Andropogon virginicus
}}<!--

-->[[Category:Treatment]][[Category:Andropogon sect. Leptopogon]]