Scientific name: Carica papaya L.
Local name : Pepe
Family : Caricaceae
Chromosome number: 2n=18
Taxonomic position According to Cronquist (1981)
It is native to the tropics of the America, perhaps from southern Mexico and neighboring Central America.
Habit: The papaya is a large,tree-like plant, with a single stem growing from 5 to 10 m (16 to 33 ft) tall, with spirally arranged leaves confined to the top of the trunk.
Root: Tap root
Stem: Large un-branched tree like appearing as a trunk, cylindrical
Leaf: The leaves emerge directly, spirally, from the upper part of the stem with nearly horizontal, succulent, hollow petioles, which are 35-90cm long. The leaf is glabrous, up to 75 cm across, blade is dorsiventral.
Flower: Actinomorphic, flowers are male, female, sometimes hermaphrodite, axillary. Flowers have five sepals and five petals. Male plant possesses long inflorescence.
Androecium: Diplostemonous, five pairs of stamens
Gynoecium: Ovary superior, carpel five syncerpous, placentation parietal
Fruit: Berry, fruit vary in size and form, and in thickness, color and flavor of the flesh.
Table 1. Papaya variety developed by Horticultural Research Center, Bangladesh Agricultural Research Institute, Joydebpur, Bangladesh and Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Salna, Gazipur, Bangladesh
|Serial Number||Name of variety||Developed by||Growing season||Average yield
|2||BU Papaya 1||BSMRAU||Year round||60 kg /plant|