View source for Bromus japonicus

{{Treatment/ID
|accepted_name=Bromus japonicus
|accepted_authority=Thunb.
|publications=
|common_names=Australian brome
|special_status={{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Bromus japonicus var. porrectus
|authority=
|rank=variety
}}
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Bromeae;Bromus;Bromus sect. Bromus;Bromus japonicus
|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 Bromeae]]</div><div class="higher-taxon"><small>genus</small>[[Bromus]]</div><div class="higher-taxon"><small>section</small>[[Bromus sect. Bromus]]</div><div class="higher-taxon"><small>species</small>[[Bromus japonicus]]</div></div>
|volume=Volume 24
|mention_page=
|treatment_page=page 235
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>annual. <b>Culms</b> (22)30-70 cm, erect or ascending. <b>Sheaths</b> usually densely pilose; upper sheaths sometimes pubescent or glabrous; ligules 1-2.2 mm, pilose, obtuse, lacerate; blades 10-20 cm long, 2-4 mm wide, usually pilose on both surfaces. <b>Panicles</b> 10-22 cm long, 4-13 cm wide, open, nodding; branches usually longer than the spikelets, ascending to spreading or somewhat drooping, slender, flexuous, sometimes sinuous, often with more than 1 spikelet. <b>Spikelets</b> 20-40 mm, lanceolate, terete to moderately laterally compressed; florets 6-12, bases concealed at maturity; rachilla internodes concealed at maturity. <b>Glumes</b> smooth or scabrous; lower glumes 4.5-7 mm, (3)5-veined; upper glumes 5-8 mm, 7-veined; lemmas 7-9 mm long, 1.2-2.2 mm wide, lanceolate, coriaceous, smooth proximally, scabrous on the distal 1/2, obscurely (7)9-veined, rounded over the midvein, margins hyaline, 0.3-0.6 mm wide, obtusely angled above the middle, not inrolled at maturity, apices acute, bifid, teeth shorter than 1 mm; awns 8-13 mm, strongly divergent at maturity, sometimes erect, twisted, flattened at the base, arising 1.5 mm or more below the lemma apices; anthers 1-1.5 mm. <b>Caryopses</b> equaling or shorter than the paleas, thin, weakly inrolled or flat. <b>2n</b> = 14.</span><!--

-->{{Treatment/Body
|discussion=<p><i>Bromus japonicus</i> grows in fields, waste places, and road verges. It is native to central and southeastern Europe and Asia, and is distributed throughout much of the United States and southern Canada, with one record from the Yukon Territory.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Bromus japonicus
|authority=Thunb.
|rank=species
|parent rank=section
|synonyms=Bromus japonicus var. porrectus
|basionyms=
|family=Poaceae
|illustrator=Cindy Roché
|illustration copyright=Utah State University
|reference=None
|publication title=
|publication year=
|special status=Introduced
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V24/V24_338.xml
|subfamily=Poaceae subfam. Pooideae
|tribe=Poaceae tribe Bromeae
|genus=Bromus
|section=Bromus sect. Bromus
|species=Bromus japonicus
}}<!--

-->[[Category:Treatment]][[Category:Bromus sect. Bromus]]