Guava, Latin name: Psidium guajava Linn Myrtaceae, Guava trees, up to 13 m; bark smooth, gray, flaking; twigs with sharp, coat. Leaves leathery, oblong to elliptic, apex acute or obtuse, base nearly circular, slightly above the rough, hairy below, often subsidence, stockwork obvious; calyx bell-shaped tube, hairy, calyx nearly round cap shaped, irregular split; white; ovary inferior, and calyx Hopson, style and with long stamens. Berry spherical, oval or pear-shaped, top with persistent sepals, white and yellow flesh, placenta hypertrophy, fleshy, pale red; seed majority.