Research on the Poisonous Plants in Stone Forest County of Yunnan Province

Having collected over 5000 plant samples and done an initial investigation in Stone Forest County for some years,the authors find that there exist 55 poisonous families,covering 94 genus and 105 varieties.On these poisonous plants,the authors made a further study on their growing environment,poisonous parts,main poisonous elements and usage,poisoned syndrome and treatment,medical value of the elements,etc.Suggestions are also offered about how to make use of and protect these poisonous plants.