The fruits of those trees which bear acid fruits, those of karamarda (Carissa Carandas), those of vidalámalka (myrobalam), those of matulanga (citron tree), those of kola (small jujuba), those of badara (Flacourtia Cataphracta), those of sauvíra (big jujuba), and those of parushaka (Grewia Asiatica) and the like come under the group of acid fruits.