杂交鹅掌楸Liriodendronchinense×L.tulipifera:1.花枝Floweringtwig;2.花蕾Flowerbud;3~5.花被片Tepals;6.雄蕊群和雌蕊群Androeciumandgynoecium;7.雄蕊Stamen;8.雌蕊群Gynoecium;9.雌蕊群纵切面Longitu-dinalsectionofgynoecium.(邓盈丰绘)Largedeciduoustrees.Leavespeculiarandquai ......(本文共 976 字 , 4 张图) [阅读本文] >>