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Photographer: Emmet J. Judziewicz
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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!
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| 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) |
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