Reynoutria x bohemica

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(Redirected from Fallopia x bohemica)
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Taxonomy
Kingdom:
Plantae
Phylum:
Magnoliophyta
Class:
Magnoliopsida
Order:
Polygonales
Family:
Polygonaceae
Genus:
Reynoutria
Species:
R. x bohemica
Scientific Name
Reynoutria x bohemica
Chrtek & Chrtková
Scientific Name Synonyms
Fallopia x bohemica
(Chrtek & Chrtková) J.P.Bailey
Polygonum x bohemicum
(J. Chrtek & Chrtkovß) Zika & Jacobson [cuspidatum x sachalinense]
Common Names
Bohemian knotweed

Overview

Appearance
Fallopia x bohemica is a perennial that can grow from 6-12 ft. (1.8-3.7 m) tall.
Foliage
Stems are usually erect, clustered, and glabrous. Leaves are ovate, base is truncate to cordate, entire margins, and acute tips.
Flowers
Flowers are white to pink, 0.16-0.24 in. (4-6 mm), tepals are obovate to elliptic, and apex is obtuse to acute. Flowering occurs between July and October.
Fruit
The fruits are dark brown in color, shiny, 0.08-0.12 (2-3 mm) long, smooth, and three sided with flat wings that are 0.06-0.08 in. (1.5-2.1 mm) wide.
Ecological Threat
Fallopia x bohemica prefers disturbed areas such as fields, pastures, and along roadsides and railways. It is native to Japan.

Resources

Images from Bugwood.org


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