Fallopia sachalinensis (F.W.Schmidt) Ronse Decr.
Family: Polygonaceae
giant knotweed
[Polygonum sachalinense F.W.Schmidt ex Maxim.,  more]
Fallopia sachalinensis image
Etymology: Fallopia: for Gabriello (Gabriele) Fallopia, 16th century Italian anatomist who discovered fallopian tubes
Plants: erect to arching, perennial, 4'-10' tall, stout, shrub-like forb; long rhizomes forming clones to several acres; stems angular
Leaves: alternate, up to 12" long, oval with a gradually tapering tip and a heart-shaped base
Flowers: white to greenish, 5-parted, petals and petal-like sepals; inflorescence many 3"-6" branched clusters from the upper leaf axils
Fruits: dry seed
Habitat: shores, grasslands, woods
Fallopia sachalinensis image
Emmet J. Judziewicz  
Fallopia sachalinensis image
Emmet J. Judziewicz  
Fallopia sachalinensis image
Fallopia sachalinensis image
Emmet J. Judziewicz  
Fallopia sachalinensis image
Fallopia sachalinensis image
Fallopia sachalinensis image
Emmet J. Judziewicz  
Fallopia sachalinensis image
Fallopia sachalinensis image
Fallopia sachalinensis image
Fallopia sachalinensis image
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