Wrinkle-skinned papaya, also known as Tie-stem Begonia, Tie-stem papaya, Tiejiao pear, deciduous shrub, up to 2 meters high, with conical branchlets and spine-like short branches, winter buds with triangular oval shape, and leaves Oval to oval, acutely pointed, hairless, large stipules, kidney-shaped or meniscus-shaped. The flowers bloom before the leaves and are clustered on biennial branches. The pedicels are short and thick or nearly sessile. The petals are obovate or nearly round, scarlet, pink or white. The fruit is oblong, cylindrical, oval or spherical, often with 3 to 5 ribs, yellow or yellow-green, shiny, with sparse spots, fragrant, decalyxed, woody pulp, light yellowish brown, mature 7 to 10 days The skin of the fruit is shrunken, hence the name. The seeds are numerous, flat and long triangular.