Custard-apple is apparently native to the Antilles or Central America, its precise origin is unknown because it has been widely cultivated for centuries. It  reaches a height of 35 feet, with a trunk 1 foot or more in diameter. The leaves are up to 8 inches long and alternate in two rows along the branch. Flowers are up to 1 inch long, fragrant, with three thick petals. Fruits are up to 5 inches long and wide, the pulp is thick and sweet. It flowers mostly during summer and fall, fruits ripen mainly during winter and spring. The generic name derives from the indian name for the sugar-apple (Annona squamosa). The species name refers to the net-like appearance of the fruit's surface.

The photographed tree is north of the Agricultural Sciences new greenhouses and is the only member of the species in the campus.

Annona reticulata (Annonaceae)