Abstract：Zuo na cao is a famous herb used as narcotic,which has been recorded in Ben Cao Gang Mu,but the plant species to which it belongs is unknown. Different opinions exist among scholars both at home and abroad.The autho- rs have made a preliminary study on it
刘肇清; 何康伟; 张自成. 坐拏草的原植物探讨与在江西的初步调查[J]. 南昌大学学报（医学版）, 1985, 27(04): 1-.
Liu Zhaoquing He kang wei Zhang Ziching (Department of Chemistry,Jiangxi Medical College). . , 1985, 27(04): 1-.
1985, Vol. 27 