Producing area:Growing in the grassland, roadside, riverbank and stony ground. Origin from North America. It is introduced as flowers to be planted in Northeast of China.
chemical ingredient:seeds: containing oil with the conten of 22.57%~30.10%. The oil sells a little astringent due to the gallotannic acid in the seeds hull.
Package type: Vacuum plastic bags,2.5kg/bags,10kg/carton,20kg/carton,
25kg/carton. (info at snowlotusbiotech dot com)