Robert W. Freckmann Herbarium


  Fallopia japonica (Houtt.) Ronse Decr. var. japonica image
Photographer: Emmet J. Judziewicz           

Emmet J. Judziewicz

Matthew L. Wagner

Paul Skawinski

Paul Skawinski

Paul Skawinski

Paul Skawinski

Steve C. Garske

Steve C. Garske

Steve C. Garske

Steve C. Garske

Stephen L. Solheim
Family Polygonaceae
Fallopia japonica (Houtt.) Ronse Decr. var. japonica

Fallopia: for Gabriello (Gabriele) Fallopia, 16th century Italian anatomist who discovered fallopian tubes
japonica: of Japan
  Restricted Invasive - Eradicate!  Stop It symbol- click for definition
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Introduced - persisting and spreading; ecologically invasive
Plant: erect to arching, perennial, 4'-10' tall, stout, shrub-like forb; speading by the long rhizomes to form clones up to several acres; stems hollow, bamboo-like, round in cross section
Flower: white to greenish, 5-parted, petals and petal-like sepals; inflorescence of many 3"-6" branched clusters from the upper leaf axils
Fruit:dry, 3-angled seed
Leaf:alternate, up to 6" long; broadly oval with pointed tip and a straight base
Habitat: shores, grasslands, woods
(Glossary)

More Information Natural Communities Herbarium Specimens
All Fallopia list Ethnobotany Information Google- Images or Text

Flora of North America (off site)
Synonyms 
Pleuropterus cuspidatus (Siebold & Zucc.) H.Gross
Pleuropterus zuccarinii (Small) Small
Polygonum cuspidatum Siebold & Zucc.
Polygonum cuspidatum Siebold & Zucc. var. compactum (Hook.f.) L.H.Bailey
Polygonum zuccarinii Small
Reynoutria japonica Houtt.
Tiniaria japonica (Houtt.) Hedberg

         
  Home
Faculty
Botany News/Events
Projects
Book We Recommend
Historical Botanists
Other Links
Botanical Club of Wisconsin (off site)
UW-Stevens Point Biology Dept.
 
Plants of Wisconsin
Vascular Plants
Bryophytes
Ethnobotany
Natural Communities
Botany News/Events
Other Links
Lichens (off site)   
Tom Volk's Fungi (off site)
Taxonomy of Vascular Plants
                          Vascular Plants
Browse by Identification Guides
Family Wildflowers
Genus Trees
Common Names Shrubs
Search by Vines
Names Aquatic-Semi aquatic
Specimens Ferns - Fern Allies
Blooming Times Grasses, Sedges, or Rushes
County & Status Other Resources  
Town Range Taxonomy of Vascular Plants
  WI Checklist & CofC Values
Bryophytes
Browse by:
Common Name
Genus
Search by:
County
 Name
Copyright 2012 Permissions Contact Us Web Map