What is longan?

See if it's complete. The longan I found in other places is also called longan, which is warm and sweet, beneficial to the heart and spleen, qi and blood. Has good nourishing and nourishing effects, and can be used for treating insomnia, amnesia, fright, dizziness and other symptoms caused by deficiency of both heart and spleen and deficiency of qi and blood. Fresh longan-fruit, dried longan-tonic, which means dried longan. Because fruits could not be stored in the past, which was not conducive to transportation, longan was always dried before being transported to the north. Because longan is produced in Guangxi (Guangxi) and is round, northerners call it longan. (I don't know if it was taboo to say dragon in feudal times, so it can't be called longan, so the official name (North) is also called longan), so they don't know that the original form of longan is longan. Later, fruits can be stored and transported conveniently. Longan was transported to the north as a fruit, but northerners never touched it, only touched its mummy "Longan", so Longan is also called Longan. So there are more longan in the south, but there are more longan in the central plains and the north. (sxm) Features and characteristics Evergreen trees, with high trees. Most of them are even pinnate compound leaves, and the leaflets are opposite or alternate; Panicle terminal or axillary; The fruit is spherical and the seeds are black and shiny. The flowering period is from March to April, and the fruiting period is from July to August. Like temperature and avoid freezing, the average annual temperature is 20 ~ 22℃, which is sensitive to low temperature; Generally, the annual average temperature is < 17.5 ~ 18℃, the Leng Yue average temperature is < 10℃, and the absolute low temperature is