origin: growing in mountainous region ,alongside forest,wilderness,alongside ditch,rivulet side and so on in Erguna in Hulunbuir in Inner Mongolia and Tahe Mohe in DaXingAnLing in Heilongjiang province.
chemical ingredient : flowers contain grume and tannin, saponin,naphtha(0.05%), a little alkaloid, histamine.leaves contain tannin,mucus, naphtha, renieratene (13.7%~14.4%).
Package type: Vacuum plastic bags,2.5kg/bags,10kg/carton,20kg/carton,
25kg/carton.