牛角瓜(Calotropis gigantea)为萝魔科牛角瓜属,常绿灌木或小乔木,分布在我国西南和两广等地。它具有耐干旱、瘠薄、不怕洪水冲刷等特性,是干热河谷绿化的好树种。可在雨季播种造林。牛角瓜的经济价值较高,茎、皮、果实纤维可作造纸的高级原料,叶可药用。该树种生长快,是一种速效绿肥,亩产5000公斤 Calotropis gigantea (Calotropis gigantea) is a branch of the genus Calamagrostis, evergreen shrubs or small trees, distributed in Southwest China and Guangdong and Guangxi and other places. It is resistant to drought, barren, not afraid of flood erosion and other characteristics, is a good species of green hot and dry valleys. Seeding in the rainy season afforestation. Horned melon of higher economic value, stems, skins, fruit fibers can be used as a senior papermaking raw materials, leaves can be medicinal. The rapid growth of the tree species, is a quick-effect green manure, 5000 kg per mu