Echinacea purpurea seeds 70% minimum guaranteed seeds germination Echinacea purpurea Applying in medicine roots (Echinacea radix), leaves (Echinacea folium), herb (Echinacea herb) Most important active substances echinacin, echinacoside (not in E. purpurea), in E. angustifolia additional cynarin; polysaccharide,...