Gaab (diospyros peregrina, family : ebenaceae) is a short to medium-sized evergreen tree with spreading branches and dense leaves. Bark is blackish. The nice canopy-holder tree can be seen from Southeast Asia to Australia. It is found everywhere in Bangladesh.
At the end of spring, the extraordinary red-brown leaves appear. This is one of the main characteristics of the plant. The entire tree looks great at that time. Leaves are simple, dark green, hard, smooth on upper side, petioled, alternate, lanceolate, 10-20 cm long and 4-7 cm wide. Leaves grow thickly on black branches.
Flowers are white, scented, with 4 thick petals; sepals 4. The plant produces flowers in March-April. Male and female flowers bloom separately. Female flowers usually grow singly from leaf axil while the male ones bloom in cluster on cyme inflorescence. 2-7 male flowers bloom together, while female ones bloom as singles on leaf axil. Male flowers are bigger and whiter than the female ones. The fruit with calyx is berry, round, fleshy and yellow when ripe. They are 4-5 cm wide. Seed 4-8. Propagation of the plant is caused by seeds.
Immature fruits are used to dye fishing nets. The fruits are frequently eaten by village children as well as the birds. Tinduk and Kalskondho are its Sanskrit names. Bark, fruits, seeds and leaves are used as medicine for the treatment of stomach, menstruation, dysentery, diabetes, salivate etc.