一、鹅掌楸 Liriodendron chin-ense(Hemsl)Sarg. 鹅掌楸又名马褂木、鸭掌树,属木兰科、鹅掌楸属落叶乔木,高达40米,胸径1.2米,叶片如马褂,似鸭掌。花两性,单生枝顶,聚合果纺垂形,小坚果具木质翅。分布我县海拔300—1600米的山林中,在页岩、板岩和石灰岩成土母岩的各类土壤中,均有生长,常与七叶树、珙 Liriodendron chin-ense (Hemsl) Sarg. Liriodendron, also known as Liriodendron, Duck palm tree, is a Magnoliaceae, Liriodendron is a deciduous tree, up to 40 meters, 1.2 meters in diameter, diameter, such as a jacket coat, like Duck palm. Flowers bisexual, solitary branches, fruit polygonum vertical, small nuts with wooden wings. Distributed in the mountains of 300-1600 meters above sea level in my county, in shale, slate and limestone into the soil of all kinds of soil, are growing, often with horse chestnut, 珙