Dayanguocao;Carpesii Macrocephali Herba Sources:The drug is the dried or fresh whole herb of Carpesium macrocephalum Franch.et Sav.(Family Com positae),growing in edge of woods on hillslopes,scrubs,in valleys,roadsides or in grasses,distributed in Northeast China,North China and Shanxi,Gansu,Qinghai,Henan and Sichuan. Actions and Indications:The whole herb is used to remove heat from the blood,arrest bleeding and remove blood stasis,for the treatment of traumatic injury and traumatic bleeding.