TY - J Syst Evol A1 - 1Jia-Xi LIU; 2Yi-Zhen XI*; 2Yu-Long ZHANG; 2Jian-Chang NING; 1Xiao-Rui LIU T1 - Pollen morphology of Heliotropioideae in Boraginaceae from China and its systematic significance Y1 - 2008-11-18 JF - Journal of Systematics and Evolution JO - J Syst Evol SP - 891 EP - 898 VL - 46 IS - 6 UR - https://www.jse.ac.cn N1 - 10.3724/SP.J.1002.2008.07171 ER -