紫背天葵又叫两色三七草、紫背菜、观音菜、血皮菜等,为菊料土三七属多年生草本植物。原产我国南部地区,北方地区栽培较少。以嫩稍和嫩叶供食,可凉拌、做汤、炒食,具有特殊香味,脆嫩可口,并有很高的营养保健作用,深受人们的喜爱。因其生长中尚未发现病虫害,故属无公 Purple back sunflower is also called two-color rhizoma Panax notoginseng, purple back vegetables, Guanyin dishes, blood vegetables, etc., for the chrysanthemum soil thirty-seven is a perennial herb. Native southern China, northern cultivation less. To tender and tender leaves for food, can be cold, soup, fried, with a special flavor, crisp and delicious, and have a high nutritional role, by the people’s favorite. Because of its growth has not yet found pests and diseases, it is without public