乐昌含笑(Michelia chapensis)又名景烈白兰,属木兰科(Magnoliaceae)含突属,是被子植物中原始种类的代表之一。常绿乔木,树皮灰褐色至深褐色,平滑,小枝无毛,叶薄革质,倒卵形或长圆 Michelia chapensis, also known as Jinglie Prynne, belongs to the genus Magnoliaceae and is one of the primitive species of angiosperms. Evergreen trees, bark grayish brown to dark brown, glabrous, twigs glabrous, leaves thinly leathery, obovate or oblong