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Japanese Knotweed

Jointweed, Mexican Bamboo, Ong Toy

Polygonaceae Polygonum cuspidatum Sieb. and Zucc.

Source: Magness et al. 1971

Erect unarmed glabrous perennial with round-ovate leaves. The immature stems are edible and used especially by the Chinese in salads or cooked as a potherb. The long succulent young stems can be produced in the field or grown under glass. A crop grown under glass is under high humidity in water saturated soil and harvested continuously. Plants root very rapidly. This is a close relative to Smartweed.

Production in the U.S.: Limited.

Use: Mainly in salads.

Part of plant consumed: Immature stems.

Last update February 18, 1999 by ch