have thorns on have arris. The odd leaf on long branches is opposite and fasciate on short branches. The leaf which has sharp tip and no indentations is oblong and obovate. The tree blooms in summer. The flowers are double gender and according to the development of germen, there are bell-shaped flowers which yield fruit while disa florets yield nothing. One or several flowers grow on the new branches or axils. The tree which originally grew in Iran and Afghanistan was introduced to China in the