View source for Arctophila

{{Treatment/ID
|accepted_name=Arctophila
|accepted_authority=(Rupr.) Andersson
|publications=
|basionyms=
|synonyms=
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Arctophila
|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>[[Arctophila]]</div></div>
|volume=Volume 24
|mention_page=
|treatment_page=page 605
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial; rhizomatous, sometimes producing aquatic leaves when submerged. <b>Culms</b> (5)10-100 cm, erect, glabrous, rooting at the lower nodes; nodes glabrous. <b>Sheaths</b> of aquatic leaves closed to near the apices, translucent, pale pinkish brown; collars inconspicuous; ligules acute; blades pinkish brown. <b>Sheaths</b> of aerial leaves usually closed for over 1/2 their length, sometimes open to the base, opaque, green to olive-green, glabrous; collars conspicuous as a zone of contrasting color; auricles absent; ligules membranous, truncate, lacerate; blades usually flat, glabrous, upper blades conspicuously longer than the lower blades. <b>Inflorescences</b> open panicles; branches stiff and ascending to pendulous, glabrous, some branches longer than 1 cm. <b>Spikelets</b> pedicellate, somewhat laterally compressed, with (1)2-7(9) florets; rachillas prolonged beyond the base of the distal floret, glabrous; disarticulation above the glumes, beneath the florets. <b>Glumes</b> subequal, broadly lanceolate to ovate, membranous to subcoriaceous, glabrous, 1-3(5)-veined, acute to obtuse, unawned; calluses short, blunt, shortly pubescent to almost glabrous; lemmas ovate, glabrous, membranous to subcoriaceous, with 3(5) obscure veins, lateral veins usually not reaching the lemma apices, apices entire or somewhat erose, obtuse, unawned or rarely the central vein extended as a short mucro to about 0.2 mm; paleas subequal to the lemmas; lodicules 2, free, glabrous, toothed or entire; anthers 3; ovaries glabrous. <b>Caryopses</b> shorter than the lemmas, concealed at maturity, falling free; hila broadly ovate, 1/6 – 1/5 the length of the caryopses. <b>x</b> = 7.</span><!--

-->{{Treatment/Body
|distribution=B.C.;Greenland;Nfld. And Labr. (Nfld.);Man.;N.W.T.;Nunavut;Ont.;Que.;Yukon;Alaska
|discussion=<p><i>Arctophila</i> is a monospecific, but highly polymorphic, holarctic genus closely related to <i>Dupontia</i> (p. 602).</p>
|tables=
|references={{Treatment/Reference
|id=aiken2002a
|text=Aiken, S.G. and R.A. Buck. 2002. Aquatic leaves and regeneration of last year's straw in the arctic grass Arctophila fulva. Canad. Field-Naturalist 116:81-86
}}{{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.
}}
}}<!--

--><!--

-->{{#Taxon:
name=Arctophila
|author=Jacques Cayouette; Stephen J. Darbyshire;
|authority=(Rupr.) Andersson
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Poaceae
|distribution=B.C.;Greenland;Nfld. And Labr. (Nfld.);Man.;N.W.T.;Nunavut;Ont.;Que.;Yukon;Alaska
|reference=aiken2002a;brysting2004a
|publication title=
|publication year=
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V24/V24_857.xml
|subfamily=Poaceae subfam. Pooideae
|tribe=Poaceae tribe Poeae
|genus=Arctophila
}}<!--

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