柴背天葵别名血皮菜、观音菜、红背菜等，属菊科三七草属宿根长绿草本植物，以嫩茎叶为蔬菜食用的半栽培种，主要分布在四川、广东、台湾等温暖湿润地区，现在北京、天律等大城市也渐渐开始流行。紫背天葵抗性强、生长势旺，耐热耐旱耐瘠薄，栽培容易，病虫害少，可以补充... Chai back and sunflower alias blood cabbage, Kwun Yam dishes, red back vegetables, belong to the Asteraceae genus Perennial long green herbs to tender stems and leaves for the vegetable consumption of semi-cultivated species, mainly in Sichuan, Guangdong, Taiwan Warm and humid areas, now Beijing, Tianli and other big cities are gradually beginning to pop. Purple back sky Kwai strong resistance, growing vigor, heat, drought and barren, easy cultivation, pests and diseases less, you can add ...