Liriodendron (Latin: Liriodendron. Harms), also known as duckweed (seed plant name) and duckweed (native name of Guangdong and Guangxi), is a kind of angiosperm Araliaceae. It is an evergreen tree or shrub with a height of 2-15m and a DBH greater than 30cm. Leaves small, papery to leathery, oval, with sparse stellate pubescence on the front; The leaf sequence is a terminal spike, 20-30 cm long; Inflorescence is umbel, with oblique branches and general arrangement. Each inflorescence has 10- 15 flowers. The total pedicel is slender, the margin is almost entire or has 5-6 small teeth. Flowering period11-65438+February, fruiting period 65438+February. This species is a common plant in evergreen broad-leaved forest in tropical and subtropical areas, and it is a honey source plant in winter in southern China. Wood is soft, it is the raw material of match sticks and steamer; Leaves and root bark are used in folk medicine to treat influenza, traumatic injury and other diseases. This species was discovered and named by German taxonomist and botanist Hermann Harms (1870 July16-1942165438+1October 27th) in 1984.