The Lemon Guava, scientifically known as Psidium littorale var. lucidum, is a tropical fruit tree highly prized for its unique combination of citrusy and tropical flavors. It belongs to the Myrtaceae family and is native to South America.

The Lemon Guava tree is a small to medium-sized evergreen tree that typically grows up to 15 feet (4.5 meters) in height. It has a dense and bushy canopy with glossy, dark green leaves. The tree produces small, round fruits that resemble lemons in appearance but with a distinct guava flavor.