When peeled, I think of it as big very sweet grape.
The seed in the center is slightly poisonous and should NOT be eaten (it tastes bitter anyway so you won’t want to eat it)
The fruit matures from July to October, about 100 days after flowering.
They require a warm subtropical to tropical climate that is cool but also frost-free or with only very slight winter frosts not below -4°C, and with high summer heat, rainfall, and humidity.
They are very common in China, Thailand and Vietnam. Lychees are beginning to be grown in Florida and Hawaii. (so they are still expensive in America) but it is also sold canned year-round (much cheapter)
Lychees have been valued by successions of Chinese Emperors for their sweetness
Native to Southern China and according to legend, when courtiers first found the lychee, they thought the fruit was so delicious that they rushed home to display their discovery to Emperor Han.