松果菊为菊科松果菊属多年生草本,原产北美,其根、花、茎、叶都含有效免疫成分,美国原土著居民经常嚼食紫花松果菊的花和叶治疗牙痛、喉咙痛、感冒及传染病。至今,在欧美松果菊已是 Echinacea is a coniferous genus of perennial herb, native to North America, its roots, flowers, stems and leaves contain effective immune components, the United States former indigenous residents often chewing flowers and leaves of Echinacea for the treatment of toothache, throat Pain, flu and infectious diseases. So far, echinacea is already in Europe and the United States