15.山玉兰

山玉兰MagnoliadelavayiFranch.:1.花枝Floweringtwig;2.雄蕊Stamen;3.雌蕊群Gynoecium;4.心皮Carpel;5.雌蕊群纵切面Longitudinalsectionofgynoecium.(余峰绘)Smallevergreentreesto12mtall;barkgrayorgrayish-black,coarselyfissured;youngtwigsolivegreen,yellowish-brownappressedhairy,oldoness ......（本文共 1882 字 , 9 张图）     [阅读本文] >>