Carica peltata Hook. & Arn.
Carica posoposa L.
Papaya carica Gaertn.
Family: Caricaceae - Papaya family
Growth Habit: Tree
Bangla/Vernacular Name: Pepe, Papaya, Koiya (Chittagong), Habiya (Noakhali).
Tribal Name: Kamco (Bawm), Somphula (Khumi), Betca (Murang), Ptega (Rakhaing).
English Name: Papaya, Papaw.
An erect small tree, with spongy stem and white latex, hollow inside. Leaves large, 30-60 cm across, on long, hollow, petioles, palmately lobed, subpeltate, forming a round tuft at the top of the stem. Plant dioecious; male flowers in long drooping panicles; female flowers in short clusters. Fruit large, obovate to obovate-oblong, succulent.
Young fruits and leaves are very rich in latex, which contains a number of digestive enzymes, called papain. Latex also contains a blood anticoagulant factor and immunosuppressive enzyme, chymopapain and a number of medicinal enzymes. Leaves and roots contain a number of alkaloids, which include nicotine, nicotinine, myosmine, bis-piperidine, carpaine and dehydro-carpaine I and II. Leaves also contain a glucoside, carpaoside and vitamins C and E. Fruit is a rich source of vitamins, pectoris and carotenoids. Seeds contain sulphur-containing basic substance, carpesemine, carposide and carpaine. Roots and bark contains carposide and carpaine (Ghani, 2003).
Carica papaya L.
Cultivated throughout the Bangladesh.