Answer: Eggplant.

Analysis: Most of the twigs of eggplant are purple, and the flowers they bloom are purple. When the eggplant matures, the fruit becomes granular and looks like "sesame", so the answer is eggplant.

Eggplant is native to tropical Asia and is distributed all over the world. It is most cultivated in Asia, accounting for about 74% of the world's total output; followed by Europe, accounting for about 14%. It is cultivated throughout China and is one of the main vegetables in summer.

The eggplant needs less water before it forms. After the eggplant grows rapidly, it needs more water. The eggplant needs the most water before and after harvesting, so the water needs must be fully met. Eggplant loves water but is afraid of water. When the soil is moist and poorly ventilated, it can easily cause root retting, and high air humidity can easily cause diseases.

Extended information:

Botanical culture of eggplant:

Eggplant originated in the tropical southeastern region of Asia. Ancient India was the first place of domestication. There are still eggplants in India today. Wild species and closely related species. The fruits of the wild species are small and bitter, but after long-term cultivation and domestication, the flavor is improved and the fruits become larger.

It was introduced to Africa in the Middle Ages and to Europe in the 13th century. It was more commonly cultivated in southern Europe in the 16th century, spread throughout Europe in the 17th century, and was later introduced to the Americas.

It was introduced to Japan from China in the 18th century. China has a long history of cultivating eggplants and has many types and varieties. China is generally considered to be the second origin of eggplants. The botanical work "Southern Vegetation and Trees" written by Ji Han of the Western Jin Dynasty said that there are eggplant trees in South China. This is the earliest record of eggplant in China. In the "Illustrations and Materia Medica" written by Su Song in the Song Dynasty, it was recorded that in addition to purple eggplant, white eggplant, and water eggplant in the north and south at that time, vine eggplant was also grown in the south of the Yangtze River. ?