天目木兰MagnoliaamoenaCheng:1.花枝Floweringtwigs;2.叶枝Twigwithleaves;3~4.苞片Bracts;5~7.花被片Tepals;8.雄蕊群和雌蕊群Androeciumandgynoecium;9~10.雄蕊Stamens;11.雌蕊群Gynoecium;12~13.心皮Carpels;14.心皮纵切面Longitudinalsectionofcarpel.(邓盈丰绘)Deciduoustr (本文共 1601 字 , 5 张图 ) [阅读本文] >>