Sugar-apple is probably native to the Antilles, its precise origin is unknown because it has been widely cultivated for centuries. It reaches a height of 20 feet, with one or more trunks a few inches in diameter. The leaves are up to 6 inches long and alternate in two rows along the branches. Flowers are up to 1 inch long, fragrant, with three thick petals. Fruits are up to 4 inches in diameter and have the surface covered by tubercles or knobs, each one corresponding to a triangular portion of pulp with a black seed. The pulp is soft, juicy and very sweet. It flowers and produces fruits from spring to fall. The generic name derives from the indian name for the tree and its fruit. The species name means scaly, in reference to the surface of the fuit.

The photographed tree behind the main building of the Research and Development Center, and is the only member of the species in the campus.

Annona squamosa (Annonaceae)