View source for Vahlodea

{{Treatment/ID
|accepted_name=Vahlodea
|accepted_authority=Fr.
|publications=
|basionyms=
|synonyms=
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Vahlodea
|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>[[Vahlodea]]</div></div>
|volume=Volume 24
|mention_page=
|treatment_page=page 691
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial; loosely cespitose. <b>Culms</b> 15-80 cm. <b>Sheaths</b> open nearly to the base; auricles absent; ligules membranous; blades rolled in the bud, flat. <b>Inflorescences</b> open or closed panicles; branches often flexuous, capillary, spikelets distal, some branches longer than 1 cm. <b>Spikelets</b> pedicellate, usually with 2 florets, sometimes with additional distal rudimentary florets; rachillas prolonged beyond the base of the distal florets about 0.5 mm or less, usually glabrous, sometimes with a few hairs; first internodes about 0.5 mm; disarticulation above the glumes, beneath the florets. <b>Glumes</b> subequal to equal, equaling or exceeding the florets, membranous, acute to acuminate, unawned; lower glumes 1(3)-veined; upper glumes 3-veined; calluses obtuse, pilose, hairs about 1/2 as long as the lemmas; lemmas ovate, with 5(7) obscure veins, awned, awns attached near the middle of the lemmas, twisted, geniculate, visible between the glumes; paleas subequal to the lemmas; lodicules 2, membranous, toothed or not toothed; anthers 3; ovaries glabrous. <b>Caryopses</b> shorter than the lemmas, concealed at maturity, ellipsoid and irregularly triangular or ovate in cross section, deeply grooved, sometimes adhering to the lemmas and paleas; hila linear to oblong, 1/4-1/2 the length of the caryopses. <b>x</b> = 7.</span><!--

-->{{Treatment/Body
|distribution=Maine;N.H.;Colo.;Wash.;N.Y.;Alaska;Vt.;Alta.;B.C.;Greenland;Man.;Nfld. And Labr.;N.W.T.;Nunavut;Ont.;Que.;Yukon;Mont.;Idaho;Calif.;Wyo.;Oreg.
|discussion=<p><i>Vahlodea</i> is a monotypic genus with a discontinuous circumboreal distribution. It also grows in southern South America. The genus is sometimes included in <i>Deschampsia</i>, from which it differs in having loosely cespitose shoots and leaves that are usually mostly cauline, rather than mostly basal as in the perennial species of <i>Deschampsia</i>. The rachilla is prolonged beyond the upper floret for less than 0.5 mm in <i>Vahlodea</i> and is usually glabrous or has only a few hairs. In <i>Deschampsia</i>, the rachilla is usually prolonged more than 0.5 mm and is usually densely pubescent with long hairs. The caryopses of <i>Vahlodea</i> are ellipsoid, irregularly triangular or ovate in cross section, deeply grooved, and with a hilum 1/4-1/2 the length of the caryopsis. In <i>Deschampsia</i>, the caryopses are narrowly ellipsoid to fusiform, elliptic or ovate in cross section, grooved or not, and with a hilum 1/10-1/3 the length of the caryopsis.</p>
|tables=
|references={{Treatment/Reference
|id=haraldsen1991a
|text=Haraldsen, K.B., M. 0degaard, and I. Nordal. 1991. Variation in the amphi-Atlantic plant Vahlodea atropurpurea (Poaceas). J. Biogeogr. 18:311-320.
}}
}}<!--

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-->{{#Taxon:
name=Vahlodea
|author=Jacques Cayouette; Stephen J. Darbyshire ;
|authority=Fr.
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Poaceae
|distribution=Maine;N.H.;Colo.;Wash.;N.Y.;Alaska;Vt.;Alta.;B.C.;Greenland;Man.;Nfld. And Labr.;N.W.T.;Nunavut;Ont.;Que.;Yukon;Mont.;Idaho;Calif.;Wyo.;Oreg.
|reference=haraldsen1991a
|publication title=
|publication year=
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V24/V24_978.xml
|subfamily=Poaceae subfam. Pooideae
|tribe=Poaceae tribe Poeae
|genus=Vahlodea
}}<!--

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