Japonica rice is a short-grain variety of Japanese rice, sometimes called sinica rice, is one of the two major domestic varieties of Asian rice. Japonica rice is extensively cultivated and consumed in China, Japan, Korea, and Taiwan. In Vietnam, it is primarily grown in Dong Thap and An Giang provinces Rice grain is round, thick and hard; rice is stickier due to the higher content of amylopectin, sticky and moist in texture when cooked.