1、 Shape difference

Papaya trees are shrubs or small trees, up to 5-10 meters high. The branchlets are purplish red and hairy at the initial stage. After two years, the young branches are hairless and become purplish brown. The winter buds are semicircular and the apex is round and blunt

Papaya Begonia belongs to deciduous shrub to small tree, with a height of 2-6m. Branchlets are purple brown and glabrous. The winter bud is triangular ovate, and the apex is acute

2、 Blade difference

The leaves of papaya tree are oval or oval oblong, and a few are obovate. At the initial stage, there are many yellow and white fluff below, which will fall off soon

The leaves of papaya Begonia are oval or lanceolate, and then to inverted egg lanceolate. At the initial stage, they are hairless on the top and brown down below. Later, they will fall off and almost hairless

3、 Fruit difference

The fruit of papaya tree is long oval in shape and dark yellow in color. The fruit of papaya Begonia is ovoid or nearly cylindrical, with yellow color and a little red halo on the surface