convolvulus, or by the more ambiguous names Chinese spinach, Chinese watercress, Chinese convolvulus or swamp cabbage. In Thailand it is called pak boong (???????). It is known as ??? in Mandarin, ?? in Cantonese and in Hawaii, and ?? in modern Cantonese.

Origin and distribution

The origin of Ipomoea aquatica is not quite clear, but it is generally believed to be native to Southeast Asia and was first cultivated there. This is supported

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