Carica papaya L., a small evergreen soft woody tree in the Carica family and genus Carica, can grow up to 10 meters tall and has milk; The stem does not branch or sometimes branches off when damaged; The leaves are large and clustered at the top of the stem, approximately shield shaped, with hollow petioles; Flowers are either unisexual or bisexual, with some varieties occasionally producing bisexual flowers or female flowers on male plants, and sometimes male flowers on female plants; Berry flesh, orange yellow or yellow when ripe, soft and juicy flesh, sweet aroma, flowering and fruiting period throughout the year; The seeds are oval shaped and black when mature.

Carica papaya L., a small evergreen soft woody tree in the Carica family and genus Carica, can grow up to 10 meters tall and has milk; The stem does not branch or sometimes branches off when damaged; The leaves are large and clustered at the top of the stem, approximately shield shaped, with hollow petioles; Flowers are either unisexual or bisexual, with some varieties occasionally producing bisexual flowers or female flowers on male plants, and sometimes male flowers on female plants; Berry flesh, orange yellow or yellow when ripe, soft and juicy flesh, sweet aroma, flowering and fruiting period throughout the year; The seeds are oval shaped and black when mature.

Red papaya, known as the "King of Hundred Beneficial Fruits". The fruit is large in size, beautiful in appearance, with red flesh, thick and delicate, sweet and fragrant, soft and juicy. It has a very different taste from other papayas. It matures naturally on the tree, with many black seeds and no artificial ripening. It is more natural and nutritious, making it a masterpiece among papayas. Originating from the picturesque city of Sanya in Hainan, Hainan has a tropical and subtropical monsoon climate characterized by high temperatures and abundant rainfall, with long summers and no winters. It is the region in China with the richest heat and water resources, making it suitable for the growth of tropical crops. Papaya is a tropical fruit. Hainan has abundant sunshine and a large temperature difference between day and night, making it easy to grow papaya.

Papaya (Pseudocydonia sinensis (Dum. Curs.) C.K. Schneid.), It is the only species of the genus Papaya in the Rosaceae family, also known as light skinned papaya, crabapple, wood plum, etc. Papaya is a shrub or small tree with bark falling off in patches; The leaves are elliptical ovate or elliptical oblong, with sharp serrated edges resembling spikes; The flowers are solitary in the leaf axils, with short and thick flower stems and inverted petals that are pale pink in color. The fruit is oval shaped, dark yellow, woody, and has a fragrant taste. The flowering period is in April, and the fruiting period is from September to October.

Papaya is native to tropical America. It was introduced to China during the Ming and Qing Dynasties. It is planted in tropical cities in southern China and is now widely planted in tropical and warmer subtropical regions of the world. Papaya, banana and pineapple are also known as "the three major tropical herbaceous fruit trees". Their fruits are rich in nutrients, amino acids, vitamins and trace elements; their meat is sweet and juicy.