Morphological-Leaves-and-Content-of-Secondary-Metabolites-Asiaticoside-in-Some-Accession-of-Pegagan-(Centella-asiatica-L.-Urban)-of-North-Sumatera Morphological-Leaves-and-Content-of-Secondary-Metabolites-Asiaticoside-in-Some-Accession-of-Pegagan-(Centella-asiatica-L.-Urban)-of-North-Sumatera