The genus Psidium ( guava in a broad sense, properly the name of guava refers to the most economically important species, Psidium guajava ) includes a hundred species of trees and shrubs of the Myrtaceae.
The leaves are opposite, simple, ovate, 5-15 cm long. The flowers are white, with five petals and numerous stamens. The fruits are edible, round or pear-shaped, long from 3 to 12 cm depending on the species and variety. The thin skin of different colors depending on the species, hides a creamy flesh with many seeds small and hard.
