Azadirachta. Azadirachta indica . Azadirachta indicas . Azadirachtas . Melia azadirachtas . Neem Trees . Tree, Neem . Trees, Neem . azadirachtas, Melia . indicas, Azadirachta . Neem Tree . Antelaea azadirachta . Melia azadirachta . A plant genus of the family MELIACEAE. Members contain azadirachtin A (a limonoid commonly referred to as azadirachtin) and other TRITERPENES. They have been used in PESTICIDES. The old name of Melia azadirachta is very similar to a related plant, MELIA AZEDARACH. . 1.00