菟丝子别名豆寄生、无根草、无娘藤、黄山丝、老鸦丝及黄丝藤等。属于旋花科菟丝子属植物,1年生缠绕性寄生草本,无叶片,茎长可达1米左右,细长蔓生、左旋,多带黄色以寄生根伸入寄主植物内吸取营养供其生长。花冠黄褐色,表面粗糙有细微刻点,籽粒如烟草籽大小。近年菟芜丝子作为药材和保健品需求量越来越大,野生资源不能满足需要,急需大面积人工种植。 Dodder alias beans parasitic, rootless grass, no mother vine, Huangshan silk, Laosi and yellow wire vine and so on. Belongs to Convolvulaceae plants, 1-year-winding winding parasitic herbs, no leaves, stems up to 1 meter long, elongated vine, leprosy, with yellow to parasitic roots into the host plant to absorb nutrients for its growth. Corolla tan, surface roughness with minute markings, such as the size of tobacco seeds. In recent years, as a growing demand for medicinal herbs and health products, wuwushenzi can not meet the needs of wild resources, and it is in urgent need of large-scale artificial planting.