1、 Papaya introduction

Papaya is a small tree of papaya in Rosaceae, with a height of 5-10 meters, and its bark will fall off in pieces. The twigs are cylindrical without thorns. They have hair when they first grow out, and then fall off. The color is purplish red. The leaves are oval or oblong, with sharp tips. The flowers are generally solitary between the leaf axils, the pedicel is thick and short, the petals are obovate, and the color is light pink. It belongs to a kind of Begonia. The fruit is long oval, dark yellow on the surface and fragrant.

2、 Type introduction

1. Wrinkled papaya: This is a small shrub with a height of about 1-2 meters. The flowers are scarlet, light red or white, but rare. Its flowering period is from March to May every year, and the fruit can not mature until September to October. The shape of the fruit is spherical, the diameter is between 4-6 cm, and the lignin content is relatively low. It has high medicinal value, and can be used to make preserved fruit and jam.

2. Hairy leaf papaya: this kind belongs to small trees or shrubs, which can grow to 2-6 meters high. Flowers generally open before leaves, and the color is white or light red, and 2-3 flowers are clustered together. The fruit is oval, and some are close to cylindrical, but there is a protuberance at the top, and the surface is yellow and red. It is mainly distributed in Gansu, Shaanxi, Hubei, Hunan, Jiangxi, Sichuan and other places in China.

3. Light skin papaya: this scientific name is papaya, but it is different from the common one on the market. Another scientific name should be papaya. It is distributed in many places in China, whether as ornamental flowers or fruits. It is called smooth peel because the peel will not shrink after drying.

4. Papaya: this plant is different from the previous three species. It belongs to the genus papaya in the papaya family. Its flowers are unisexual and bisexual. The male flowers are panicles with milky yellow corolla and 5 petals. The female flowers are corymbos, mostly milky yellow or yellowish white. Its fruit is fleshy berry, which is yellow after ripening and tastes sweet.