紫背天葵又名两色三七草、紫背菜、观音菜、当归菜等，为菊科土三七属多年生草木植物，宿根常绿，抗逆性强，病虫害少。人们常以嫩梢和幼叶食用，营养丰富，尤其是具有延长人体内维生素C功效的作用，减少血管紫癜，提高抗寄生虫抗病毒能力，对抵御肿瘤有一定效果。紫背天葵还富 Purple sunflower, also known as the two-color Panax notoginseng grass, purple back dishes, Guanyin dishes, angelica, etc., for the Asteraceae terpene genus perennial herbaceous plants, perennial evergreen, strong resistance, pests and diseases less. People often eat young shoots and young leaves, nutrient-rich, in particular, has the effect of prolonging the body’s vitamin C efficacy, reduce the purpura, improve anti-parasite antiviral ability to resist the tumor have a certain effect. Purple back sky Kwai Fu