View source for Leymus ×vancouverensis

{{Treatment/ID
|accepted_name=Leymus ×vancouverensis
|accepted_authority=(Vasey) Pilg.
|publications=
|common_names=Vancouver wildrye
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Elymus ×vancouverensis
|authority=
|rank=species
}}
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Triticeae;Leymus;Leymus ×vancouverensis
|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 Triticeae]]</div><div class="higher-taxon"><small>genus</small>[[Leymus]]</div><div class="higher-taxon"><small>species</small>[[Leymus ×vancouverensis]]</div></div>
|volume=Volume 24
|mention_page=
|treatment_page=page 358
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism growth form;whole_organism architecture;whole_organism coloration;whole_organism pubescence;whole_organism growth form"><b>Plants </b>not cespitose, rhizomatous, green or slightly glaucous.</span> <span class="statement" id="st-d0_s1" data-properties="culm height;culm thickness;culm pubescence"><b>Culms </b>60-122 cm tall, 2-3.5 mm thick, sparsely to densely pubescent below the spike.</span> <span class="statement" id="st-d0_s2" data-properties=""><b>Leaves </b>exceeded by the spikes;</span> <span class="statement" id="st-d0_s3" data-properties="auricle some measurement">auricles to 1 mm;</span> <span class="statement" id="st-d0_s4" data-properties="ligule some measurement">ligules 0.4-1.2 mm;</span> <span class="statement" id="st-d0_s5" data-properties="blade width;rib size;rib arrangement">blades to 9 mm wide, veins promimently rib¬bed, subequal, closely spaced.</span> <span class="statement" id="st-d0_s6" data-properties="spike length;spike width;spike pubescence;spike coloration;spike coloration;spikelet quantity"><b>Spikes </b>7-32 cm long, 7-11 mm wide, sometimes glaucous, often purplish or green with traces of purple, with 1-2 spikelets per node;</span> <span class="statement" id="st-d0_s7" data-properties="internode some measurement;surface pubescence;hair some measurement;edge architecture or pubescence or shape;hair some measurement;hair relief">internodes 8-12 mm, surfaces hairy distally, hairs 0.1-0.3 mm, edges ciliate, hairs to 1 mm, coarser than the surface hairs.</span> <span class="statement" id="st-d0_s8" data-properties="spikelet some measurement;floret quantity"><b>Spikelets </b>15-20 mm, with 2-6 florets.</span> <span class="statement" id="st-d0_s9" data-properties="glume length;glume width;glume shape;glume pubescence;glume pubescence;midvein pubescence;midvein pubescence;midvein fragility;midvein shape;midvein shape;midvein shape;central portion width;central portion architecture;central portion shape;midlength position;awn some measurement"><b>Glumes </b>9-28 mm long, 1.5-4 mm wide, lanceolate, glabrous towards the base, pubescent distally, midveins glabrous or with hairs to about 1.3 mm, stiff, keeled or flat proximally, keeled distally, the central portion thicker than the margins, 3 (5) -veined at midlength, tapering from below midlength to an awn, awns to 4 mm;</span> <span class="statement" id="st-d0_s10" data-properties="lemma some measurement;lemma pubescence;margin pubescence;apex pubescence;apex shape;awn some measurement">lemmas 8-10 mm, usually completely glabrous, margins and apices sometimes pubescent, apices tapering to an awn, awns to 4 mm;</span> <span class="statement" id="st-d0_s11" data-properties="">anthers 3.3-7.3 mm, indehiscent.</span> <span class="statement" id="st-d0_s12" data-properties="anther some measurement;anther dehiscence;2n chromosome quantity;2n chromosome quantity">2n = 28, 42.</span><!--

-->{{Treatment/Body
|distribution=Calif.;Oreg.;Wash.;B.C.
|discussion=<p>Leymus ×vancouverensis grows at scattered locations on beaches along the Pacific coast, from southern British Columbia to California. It is a sterile hybrid, probably between L. mollis and L. triticoides (Bowden 1957). The northern populations are outside the current range of L. triticoides.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Leymus ×vancouverensis
|authority=(Vasey) Pilg.
|rank=species
|parent rank=genus
|synonyms=Elymus ×vancouverensis
|basionyms=
|family=Poaceae
|illustrator=Cindy Roché
|illustration copyright=Utah State University
|distribution=Calif.;Oreg.;Wash.;B.C.
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V24/V24_511.xml
|subfamily=Poaceae subfam. Pooideae
|tribe=Poaceae tribe Triticeae
|genus=Leymus
|species=Leymus ×vancouverensis
|2n chromosome quantity=42;28
|anther dehiscence=indehiscent
|anther some measurement=3.3mm;7.3mm
|apex pubescence=pubescent
|apex shape=tapering
|auricle some measurement=0mm;1mm
|awn some measurement=0mm;4mm
|blade width=0mm;9mm
|central portion architecture=3(5)-veined
|central portion shape=tapering
|central portion width=thicker
|culm height=60cm;122cm
|culm pubescence=pubescent
|culm thickness=2mm;3.5mm
|edge architecture or pubescence or shape=ciliate
|floret quantity=2;6
|glume length=9mm;28mm
|glume pubescence=pubescent;glabrous
|glume shape=lanceolate
|glume width=1.5mm;4mm
|hair relief=coarser
|hair some measurement=0mm;1mm
|internode some measurement=8mm;12mm
|lemma pubescence=glabrous
|lemma some measurement=8mm;10mm
|ligule some measurement=0.4mm;1.2mm
|margin pubescence=pubescent
|midlength position=midlength
|midvein fragility=stiff
|midvein pubescence=with hairs;glabrous
|midvein shape=keeled;flat;keeled
|rib arrangement=spaced
|rib size=subequal
|spike coloration=green;purplish
|spike length=7cm;32cm
|spike pubescence=glaucous
|spike width=7mm;11mm
|spikelet quantity=1;2
|spikelet some measurement=15mm;20mm
|surface pubescence=hairy
|whole_organism architecture=rhizomatous
|whole_organism coloration=green
|whole_organism growth form=plant;not cespitose
|whole_organism pubescence=glaucous
}}<!--

-->[[Category:Treatment]][[Category:Leymus]]