बिसोरनि आबाद-मावनाया गाहायै चीन आरो मानचुरियायाव गोलाव जोबजानायमोन,[54] नाथाय गुबुन सानजा एसियायारि हादरफोर करिया आरो जापानबायदियाव लासैयै गोसारदोंमोन।
Their cultivation was long confined chiefly to China and Manchuria,[54] but gradually spread to other East Asian countries such as Korea and Japan.