Plants that are common and desired in one area of the world may have a completely different reputation elsewhere, and that's especially true for water caltrops. These edible nuts come from a plant ...
Autumn treat: Four-horned red water caltrops from Jiangnan [Photo by Pauline D. Loh/Shanghai Star] In a very distant childhood, we had looked forward to the Mid-Autumn Festival because of all the good ...
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