View source for Dupontia

{{Treatment/ID
|accepted_name=Dupontia
|accepted_authority=R. Br.
|publications=
|basionyms=
|synonyms=
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Dupontia
|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>[[Dupontia]]</div></div>
|volume=Volume 24
|mention_page=
|treatment_page=page 602
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial; rhizomatous. <b>Culms</b> 5-80 cm. <b>Sheaths</b> closed for 1/2 - 2/3 their length, glabrous; auricles absent; ligules membranous, glabrous, truncate; blades flat or folded, usually glabrous, adaxial surfaces sometimes scabrous or shortly pubescent. <b>Inflorescences</b> panicles, diffuse to dense and spikelike, with few spikelets; branches 0.7-3.5(8.5) cm, smooth, stiff, erect to reflexed, secondary branches usually appressed. <b>Spikelets</b> pedicellate, slightly laterally compressed, with 1-4(5) florets, distal florets sterile; rachillas prolonged beyond the uppermost floret or terminating in a vestigial floret, glabrous; disarticulation above the glumes and beneath the fertile florets. <b>Glumes</b> subequal, equaling or usually exceeding the distal florets, ovate and obtuse to lanceolate-attenuate, membranous, glabrous, 1-3-veined, unawned; calluses short, blunt, with a ring of stiff hairs, hairs to about 1 mm; lemmas ovate to ovate-lanceolate, membranous to coriaceous, glabrous or pubescent, with 3(5) fine veins, apices acute to acuminate, midveins sometimes excurrent as a mucro or awn to 1(2.2) mm; paleas shorter than the lemmas, glabrous, sometimes scabrous on the veins; lodicules 2, membranous, glabrous; anthers 3; ovaries glabrous. <b>Caryopses</b> shorter than the lemmas, concealed at maturity, falling free of the lemma and palea; hila 1/6 – 1/3 the length of the caryopses, ovate, x = not clear, 7 or 11.</span><!--

-->{{Treatment/Body
|distribution=Greenland;Nfld. and Labr. (Nfld.);Man.;N.W.T.;Nunavut;Ont.;Que.;Yukon;Alaska
|discussion=<p><i>Dupontia</i> is a monotypic genus of arctic and subarctic wetlands, found throughout the holarctic region except in Scandinavia. Hybrids with <i>Arctophila</i> are referred to xArctodupontia (see next); hybrids with <i>Poa eminens</i> are referred to xDupoa (see previous).</p>
|tables=
|references={{Treatment/Reference
|id=brysting2003a
|text=Brysting, A.K., S.G. Aiken, L.P. Lefkovitch, and R.L. Boles. 2003. Dupontia (Poaceae) in North America. Canad. J. Bot. 81:769-779
}}{{Treatment/Reference
|id=brysting2004a
|text=Brysting, A.K., M.F. Fay, I.J. Leitch, and S.G. Aiken. 2004. One or more species in the arctic grass genus Dupontia?—A contribution to the Panarctic Flora project. Taxon 53:365-382
}}{{Treatment/Reference
|id=jurtsev1995a
|text=Jurtsev, B.A. 1995. Dupontia. Pp. 224-229 in J.G. Packer (ed., English edition). Flora of the Russian Arctic, vol. 1, trans. G.C.D. Griffiths. University of Alberta Press, Edmonton, Alberta, Canada. 330 pp. [English translation of A.I. Tolmachev (ed.). 1964. Arkticheskaya Flora SSSR, vol. 2. Nauka, Leningrad [St. Petersburg], Russia. 272 pp.].
}}
}}<!--

--><!--

-->{{#Taxon:
name=Dupontia
|author=Jacques Cayouette;Stephen J. Darbyshire;
|authority=R. Br.
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Poaceae
|distribution=Greenland;Nfld. and Labr. (Nfld.);Man.;N.W.T.;Nunavut;Ont.;Que.;Yukon;Alaska
|reference=brysting2003a;brysting2004a;jurtsev1995a
|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_851.xml
|subfamily=Poaceae subfam. Pooideae
|tribe=Poaceae tribe Poeae
|genus=Dupontia
}}<!--

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