Acta Botanica Boreali-Occidentalia Sinica is amied atpublishing innovative achieve-ments in botanical researches,introducing current trends and innovative theories inbotany at home and abroad and discussing the theories and practices of botanical re-sources and conservancy in order to enhance the development of basic theories and ap-plied innovative techniques in botany and serving economic construction in China.Acta Botanica Boreali-Occidentalia Sinica bases itself on the researches conduc…