Sugar-apple is the fruit of Annona squamosa, the most widely grown species of Annona and a native of the tropical Americas and West Indies. The Spanish traders and others brought it to Asia where its old Mexican name ate may still be found in Bengali ata, Nepalese aati, Sinhalese katu atha, Burmese awzar thee, and atis in the Philippines. It is also known as custard apple in India and (mainly Annona reticulata) in the Philippines.

Sugar-apple is the fruit of Annona squamosa, the most widely grown species of Annona and a native of the tropical Americas and West Indies. The Spanish traders and others brought it to Asia where its old Mexican name ate may still be found in Bengali ata, Nepalese aati, Sinhalese katu atha, Burmese awzar thee, and atis in the Philippines. It is also known as custard apple in India and (mainly Annona reticulata) in the Philippines.