多花木兰MagnoliamultifloraM.C.WangetC.L.Min:1.花枝Floweringtwig;2.叶枝Twigwithleaves;3~4.苞片Bracts;5~7.花被片Tepals;8.雄蕊群和雌蕊群Androeciumandgynoecium;9.雄蕊Stamen;10.雄蕊横切面Trans-versesectionofstamen;11.雌蕊群Gynoecium;12.心皮纵切面Longitudinalsectionof (本文共 1613 字 , 4 张图 ) [阅读本文] >>