Acatlxochitl . It is a common name for a plant, also known as sour capulin. The word is of Nahuatl origin and means flower of the cane. It belongs to the family Primulaceae (formerly Myrsinaceae) and its scientific name is Parathesis serrulata. It also receives the common names of acatlxochitl, primrose, soap dish, anagalide, tililjá, barberry, actalauat, actalán or cinco negritos. Intoxicating drink that is prepared with extracts of this same plant (in Mexico).