松香草(Silphium Perfoliaum L.),为菊科松香草属多年生宿根草本植物。地上植株形似菊芋(俗称姜不辣),叶片串生,稍带松香味,因此又称菊花草、串叶菊花草和串叶松香草。该草原产于北美中部潮湿草原地带,美国西部各州种植很多,现已被很多国家引种。我国于1979年由中科院植物所北京植物园从朝鲜引进,经在 Pinellia (Silphium Perfoliaum L.), is a perennial perennial herbaceous genus Asunculata. On the ground plants resemble Jerusalem artichoke (commonly known as ginger is not spicy), leaf-string students, with a slightly fragrant flavor, it is also known as chrysanthemum grass, corydalis and grass clover. The steppe is native to the moist grasslands of central North America and is planted in many states of the western United States. It is now introduced in many countries. Our country was introduced from North Korea by the Chinese Botanical Garden of Chinese Academy of Sciences in 1979 by Beijing Botanical Garden