抄一下:“菱角原产于中国南方,在珠江三角洲及长江下游沿岸栽培较多”。
https://baike.baidu.com/item/%E8%8F%B1%E8%A7%92/576056#:~:text=%E8%8F%B1%E8%A7%92%EF%BC%88%E6%8B%89%E4%B8%81%E5%AD%A6%E5%90%8D%EF%BC%9ATrapa%2520bispinosa,%E6%9C%9F%E4%B8%BA9%252D10%E6%9C%88%25E3%2580%2582