串叶松香草(Silphium perfoliatum L。)为菊科多年生虫媒异花授粉草本植物。目前一些国家在不同土壤条件下进行播种试验表明,串叶松香草植株高大,基叶繁茂,可栽培利用10～12年,无论是产量和饲用价值,均高于玉米、甜高梁和苜蓿(苏联亩产草量4000～12,000斤,朝鲜高达16,000～40,000斤)。它茎叶营养价值 Silphium perfoliatum L. is a perennial herbicide of Asteraceae. At present, sowing experiments in different soil conditions in some countries show that the plant is tall and the basal leaves are lush and can be cultivated and used for 10 to 12 years. Both the yield and the forage value are higher than those of corn, sweet sorghum and alfalfa The Soviet Union mu yield 4000 ~ 12,000 kg, North Korea up to 16,000 ~ 40,000 kg). It stems and leaves nutritional value