The Yangxian rice that Shanghai used to eat can't be eaten.
You can eat it. Shanghai, referred to as "Shanghai" or "Shen" for short, is the largest economic center and an important international financial center city in China, and it is also the first batch of coastal open cities. Shanghai is located in the east of China. It is still edible. Shanghai people call round-headed japonica rice "rice", which tastes soft and smooth; Pointed indica rice is called "foreign indica rice"