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e zhang zuo
Author(s): 
Pages: 41,封4
Year: Issue:  1
Journal: Bulletin of Biology

Abstract: 鹅掌楸(Liriodendron chinense),别名马褂木,木兰科,鹅掌楸属.落叶乔木,树高可达40 m,胸径可达1 m以上.叶互生,长4~18 cm,宽5~19 cm(图1).每边常有2裂片,背面粉白色,叶柄长4~8 cm.叶片的顶部平截,两侧平滑或略为弯曲,两侧端向外突出,仿佛是我国古装之马褂,马褂木的名称就是这样来的(图2,图3).花单生枝顶,花被片9枚(图4),外轮3片萼状,绿色,内二轮花瓣状黄绿色,基部有黄色条纹,形似郁金香(图5).雄蕊多数(图6),雌蕊具多数离生心皮(图7).聚合果纺锤形,长6~8 cm,直径1.5~2 cm(图8).小坚果有翅,连翅长2.5~3.5 cm.……
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