Difference between revisions of "Fallopia japonica"

(Houttuyn) Ronse Decraene

Bot. J. Linn. Soc. 98: 369. 1988.

Common names: Japanese knotweed
Basionym: Reynoutria japonica Houttuyn Nat. Hist. 2: 640, plate 51, fig. 1. 1777
Treatment appears in FNA Volume 5. Treatment on page 543. Mentioned on page 541, 542.
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|common_names=Japanese knotweed
 
|common_names=Japanese knotweed
|basionyms={{Treatment/ID/Synonym
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|basionyms={{Treatment/ID/Basionym
 
|name=Reynoutria japonica
 
|name=Reynoutria japonica
 
|authority=Houttuyn
 
|authority=Houttuyn
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|publication_title=Nat. Hist.
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|publication_place=2: 640, plate 51, fig. 1. 1777
 
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|publication year=1988
 
|publication year=1988
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V5/V5_1110.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V5/V5_1110.xml
 
|subfamily=Polygonaceae subfam. Polygonoideae
 
|subfamily=Polygonaceae subfam. Polygonoideae
 
|genus=Fallopia
 
|genus=Fallopia

Revision as of 21:06, 24 September 2019

Distribution

V5 1110-distribution-map.gif

Asia, introduced in Europe.

Discussion

Varieties 4 (1 in the flora).

Fallopia japonica is planted widely as a garden ornamental; it has a proclivity to escape and spread aggressively. Once established, plants can be difficult to eradicate because of their extensive, woody rhizomes. The species has been declared noxious in Alabama, California, Oregon, Vermont, and Washington.