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马绊肠毒草属豆科,棘豆属,中名黄花棘豆,分布在宁夏海原县南华山、西华山;西吉县月亮山以及与甘肃省毗邻的崛蜈山,垂直分布约在海拔2,000～2,700米,在本区危害严重的地区面积约20万亩左右。本毒草每年自4月底至5月上、中旬陆续返青,5月底丛径达10厘米左右,7月中旬盛花,7月下旬结籽,8月中、下旬种子成熟。象棘豆属、黄芪属植物某些有毒的种类一样,它含有“落科毒”,以盛花期至绿果期毒性最强,能使马、牛、羊等造成慢性蓄积中毒。主要表现为牲畜首先对这种毒草有很强的青嗜性,而且先增膘,后掉膘,
Horse Tripoli Enteromorpha Leguminosae, Oxytropis, the name of Oxytropis Oxytropis, distributed in Ningxia Haiyuan County, South Huashan, West Huashan; Xiji County, Moon Hill and Gansu Province, adjacent to the rising centimeter, vertical distribution at an altitude of about 2,000 ~ 2,700 meters, in the serious harm in the area of about 200000 acres of area. The poisonous weeds from the end of April to May each year, mid-green one after another, the end of May diameter of 10 centimeters, mid-July Shenghua, in late July seed, mid-August seed mature in late. Like the genus Ophiopogon, Astragalus some of the same toxic species, it contains “deadly poison” to full bloom to the most toxic green period, can cause horses, cattle, sheep and other chronic accumulation of poisoning. Mainly for the livestock first of this toadstool has a strong tropism, and the first increase 膘, after falling 膘,