View source for ×arctodupontia

{{Treatment/ID
|accepted_name=×arctodupontia
|accepted_authority=Tzvelev
|publications=
|basionyms=
|synonyms=
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;×arctodupontia
|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>[[×arctodupontia]]</div></div>
|volume=Volume 24
|mention_page=
|treatment_page=page 604
}}<!--

--><span class="statement" id="st-d0_s0" data-properties=""><b>Plants </b>perennial;</span> <span class="statement" id="st-d0_s1" data-properties="whole_organism duration;whole_organism architecture;whole_organism growth form">rhizomatous.</span> <span class="statement" id="st-d0_s2" data-properties="culm some measurement"><b>Culms </b>to 38 cm.</span> <span class="statement" id="st-d0_s3" data-properties="sheath length"><b>Sheaths </b>closed for 1/3-3/4 their length;</span> <span class="statement" id="st-d0_s4" data-properties="auricle presence">auricles absent;</span> <span class="statement" id="st-d0_s5" data-properties="ligule texture;ligule shape;ligule shape">ligules membranous, acute to truncate, lacerate;</span> <span class="statement" id="st-d0_s6" data-properties="blade shape;blade shape;blade pubescence">blades flat or folded, glabrous.</span> <span class="statement" id="st-d0_s7" data-properties=""><b>Inflorescences </b>partly open panicles;</span> <span class="statement" id="st-d0_s8" data-properties="branch fragility;branch pubescence;lower branch orientation">branches stiff, glabrous, lower branches sometimes reflexed.</span> <span class="statement" id="st-d0_s9" data-properties="spikelet shape;floret quantity"><b>Spikelets </b>somewhat compressed, with 2-4 florets.</span> <span class="statement" id="st-d0_s10" data-properties="glume size;glume shape;glume texture;glume shape"><b>Glumes </b>subequal, ovate, membranous, acute;</span> <span class="statement" id="st-d0_s11" data-properties="hair quantity;hair fragility">calluses with scant, stiff hairs;</span> <span class="statement" id="st-d0_s12" data-properties="lemma shape;lemma texture;lemma architecture;apex architecture or shape;apex architecture or shape">lemmas ovate, membranous to subcoriaceous, 1 (3) -veined, apices truncate and lacerate-dentate;</span> <span class="statement" id="st-d0_s13" data-properties="palea shape;palea pubescence">paleas 2-keeled, glabrous;</span> <span class="statement" id="st-d0_s14" data-properties="anther dehiscence">anthers indehiscent;</span> <span class="statement" id="st-d0_s15" data-properties="ovary pubescence">ovaries glabrous;</span> <span class="statement" id="st-d0_s16" data-properties="lodicule quantity;lodicule texture">lodicules 2, membranous.</span> <span class="statement" id="st-d0_s17" data-properties="caryopse presence"><b>Caryopses </b>apparently absent.</span><!--

-->{{Treatment/Body
|distribution=Nunavut
|discussion=<p>×Arctodupontia is a sterile hybrid between the two monotypic genera Dupontia and Arctophila. It is intermediate between the two parents.</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.
}}
}}<!--

--><!--

-->{{#Taxon:
name=×arctodupontia
|author=Stephen J. Darbyshire;Jacques Cayouette;
|authority=Tzvelev
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Poaceae
|distribution=Nunavut
|reference=brysting2003a
|publication title=
|publication year=
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V24/V24_853.xml
|subfamily=Poaceae subfam. Pooideae
|tribe=Poaceae tribe Poeae
|genus=×arctodupontia
|anther dehiscence=indehiscent
|apex architecture or shape=lacerate-dentate;truncate
|auricle presence=absent
|blade pubescence=glabrous
|blade shape=folded;flat
|branch fragility=stiff
|branch pubescence=glabrous
|caryopse presence=absent
|culm some measurement=0cm;38cm
|floret quantity=2;4
|glume shape=acute;ovate
|glume size=subequal
|glume texture=membranous
|hair fragility=stiff
|hair quantity=scant
|lemma architecture=1(3)-veined
|lemma shape=ovate
|lemma texture=membranous;subcoriaceous
|ligule shape=lacerate;acute;truncate
|ligule texture=membranous
|lodicule quantity=2
|lodicule texture=membranous
|lower branch orientation=reflexed
|ovary pubescence=glabrous
|palea pubescence=glabrous
|palea shape=2-keeled
|sheath length=closed
|spikelet shape=compressed
|whole_organism architecture=rhizomatous
|whole_organism duration=perennial
|whole_organism growth form=plant
}}<!--

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