Longan is a famous fruit tree in south China. It is also commonly found in fung shui woodlands. It is eaten as fruit, and is also a kind of Chinese medicine. Both Longan and Lychee belong to the plant family of Sapindaceae and are similar in appearance, but you can tell them apart as Longan has rounder leaf tips, more distinct veins, and a rougher leaf surface. The funny-looking Lantern-fly (Fulgora candelaria) is an insect that relies on Longan as a host plant.