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紫背天葵(G.bicolor DC.)为菊科紫背天葵属(Gynura Cass)多年生草木植物。紫背天葵原产东亚,在我国四川、福建、广东、台湾等地均有分布。其名称各地不一,如:血皮菜,观音菜,红凤菜等。它的叶及嫩茎都可食用,我国台湾一些营养学家认为,紫背天葵具有补血之功效。北京协和医院亦准备对它的药用价值进行探讨。北京蔬菜研究中心于1985年从四川引进了这种蔬菜,经过三年的试种,对其生物特性及在北京地区的栽培方法进行了研究,其结
G. bicolor DC. Is a perennial herbaceous plant of the genus Gynura Cass. Purple back sunflower native to East Asia, in China, Sichuan, Fujian, Guangdong, Taiwan and other places are distributed. Its name varies from place to place, such as: blood vegetables, Guanyin vegetables, red cabbage and so on. Its leaves and tender stems are edible, some nutritionists in Taiwan in our country think, purple back sky sunflower has the effect of blood. Peking Union Medical College Hospital is also preparing to discuss its medicinal value. Beijing Vegetable Research Center introduced the vegetable from Sichuan in 1985 and after three years of trial planting, studied its biological characteristics and cultivation methods in Beijing.