TY - Bulletin of Botanical Research A1 - YAN Xiao-Na, TIAN Min, WANG Cai-Xia, ZHANG Ying T1 - Plant Growth Characteristics and Ultrastructure of Megaspore of the Wild Cypripedium japonicum Y1 - 2016-11-15 JF - Bulletin of Botanical Research JO - Bulletin of Botanical Research SP - 838 EP - 845 VL - 36 IS - 6 UR - https://bbr.nefu.edu.cn N1 - 10.7525/j.issn.1673-5102.2016.06.006 ER -