补血草属为白花丹科（蓝雪科）多年生草本或亚灌木，生于干旱草原和内陆或海滨盐碱沙滩上。全国有１８种，分布于东北、华北、西北及西藏和沿海各省区，主产于新疆。其中分布较广泛、花色较美丽、开发应用价值较大的有补血草、二色补血草和紫花补血草三种，皆为多年生草本。叶 Limonium is a white flower Danke (blue snow) perennial herb or subshrubs, was born in arid grassland and inland or beach saline beach. The country has 18 species, located in the northeast, north, northwest and Tibet and the coastal provinces and autonomous regions, the main production in Xinjiang. Which is more widely distributed, more beautiful colors, development and application of a larger value of Limonium, two color Limonium and Limonium, are all perennial herbs. leaf