楝叶吴茱萸,中国树木学上称为辣树,属芸香科,乔木,高可达20多米,胸径60厘米。这种树多长在村边、溪边的次生稀树灌丛中,常遭砍伐而呈灌木状,所以一向不为人们所重视,人工栽培不多。无产阶级文化大革命以来,广东省湛江地区广大贫下中农和科研人员,破除迷信,解放思想,采用它的叶子喂养木薯蚕,经不断摸索、试验,证明该树种的叶子是木薯蚕的优良饲料,发展它养蚕好处很多:一、适应性强,生长迅速。无论山坡、河滩、平原均可种植;在采伐迹地或其它旷地上常成为更新先锋树种,幼苗、幼树颇多,生长茂盛。这种树生长很快,13年生有的达12.5 Neem leaf Evodia, Chinese trees known as spicy tree, is Rutaceae, trees, up to 20 meters high, diameter 60 cm. This tree is long in the village edge, the stream of secondary shrubs, often cut down and shrubs, it has not been valued by people, not much artificial cultivation. Since the Great Proletarian Cultural Revolution, the vast majority of poor and middle peasants and scientific researchers in Zhanjiang area of ​​Guangdong have broken away from superstition, emancipated their minds and used their leaves to feed cassava silkworms. After continuous exploration and trial, the leaves of the tree species were proved to be excellent feed for cassava silkworm It has many advantages of sericulture: First, adaptability, rapid growth. Both hillsides, floodplains, plains can be planted in the logging sites or other open land often become a pioneer tree species, seedlings, saplings, flourish. The tree grows quickly, reaching 12.5 in 13 years