View source for Arrhenatherum

{{Treatment/ID
|accepted_name=Arrhenatherum
|accepted_authority=P. Beauv.
|publications=
|basionyms=
|synonyms=
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Arrhenatherum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Poaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Poaceae subfam. Pooideae]]</div><div class="higher-taxon"><small>tribe</small>[[Poaceae tribe Poeae]]</div><div class="higher-taxon"><small>genus</small>[[Arrhenatherum]]</div></div>
|volume=Volume 24
|mention_page=
|treatment_page=page 740
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial; cespitose, sometimes rhizomatous. <b>Culms</b> 30-200 cm, basal internodes occasionally globose. <b>Sheaths</b> open, not overlapping; auricles absent; ligules membranous, sometimes ciliate; blades flat or convolute. <b>Inflorescences</b> terminal, narrow panicles; branches spreading until after anthesis, then becoming loosely appressed to the rachises. <b>Spikelets</b> pedicellate, laterally compressed, with 2 florets, lower florets staminate, upper florets pistillate or bisexual, a rudimentary floret occasionally present distally; rachillas pubescent; disarticulation above the glumes, the florets usually falling together, rarely falling separately. <b>Glumes</b> unequal, hyaline, unawned; lower glumes less than 3/4 the length of the upper glumes, 1- or 3-veined; upper glumes 3-veined; calluses short, blunt, pubescent; lower lemmas membranous, 3-7-veined, acute, awned below midlength, awns twisted and geniculate; upper lemmas membranous to subcoriacous, glabrous or hairy, 7-veined, acute, usually unawned, sometimes awned from near the apices, awns short, straight, rarely awned similarly to the lower lemmas; paleas subequal to the lemmas, 2-veined, 2-keeled, keels scabrous or hairy, apices notched; lodicules 2, free, linear, membranous, glabrous, entire; anthers 3, 3.4-6.5 mm; ovaries pubescent. <b>Caryopses</b> shorter than the lemmas, concealed at maturity, not grooved, dorsally compressed to terete, hairy; hila long-linear, x = 7.</span><!--

-->{{Treatment/Body
|distribution=Conn.;N.J.;N.Y.;Wash.;Del.;D.C;Wis.;W.Va.;Pacific Islands (Hawaii);Mass.;Maine;N.H.;R.I.;Vt.;B.C.;N.B.;Nfld. and Labr. (Labr.);N.S.;Ont.;Que.;Wyo.;N.Mex.;La.;N.C.;Nebr.;Tenn.;Pa.;Calif.;Nev.;Va.;Colo.;Md.;Alaska;Ala.;Ark.;Ill.;Ga.;Ind.;Iowa;Ariz.;Idaho;Mont.;Oreg.;Ohio;Utah;Mo.;Minn.;Mich.;Kans.;Miss.;S.Dak.;Ky.
|discussion=<p><i>Arrhenatherum</i> is a Mediterranean and eastern Asian genus of six species; one has become established in North America.</p>
|tables=
|references={{Treatment/Reference
|id=brandenburg1985a
|text=Brandenburg, D.M. 1985. Systematic studies in the Poaceae and Cyperaceae. Ph.D. dissertation, University of Oklahoma, Norman, Oklahoma, U.S.A. 249 pp.
}}
}}<!--

--><!--

-->{{#Taxon:
name=Arrhenatherum
|author=Stephan L. Hatch;
|authority=P. Beauv.
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Poaceae
|distribution=Conn.;N.J.;N.Y.;Wash.;Del.;D.C;Wis.;W.Va.;Pacific Islands (Hawaii);Mass.;Maine;N.H.;R.I.;Vt.;B.C.;N.B.;Nfld. and Labr. (Labr.);N.S.;Ont.;Que.;Wyo.;N.Mex.;La.;N.C.;Nebr.;Tenn.;Pa.;Calif.;Nev.;Va.;Colo.;Md.;Alaska;Ala.;Ark.;Ill.;Ga.;Ind.;Iowa;Ariz.;Idaho;Mont.;Oreg.;Ohio;Utah;Mo.;Minn.;Mich.;Kans.;Miss.;S.Dak.;Ky.
|reference=brandenburg1985a
|publication title=
|publication year=
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V24/V24_1051.xml
|subfamily=Poaceae subfam. Pooideae
|tribe=Poaceae tribe Poeae
|genus=Arrhenatherum
}}<!--

-->[[Category:Treatment]][[Category:Poaceae tribe Poeae]]