Litchi trees have odd or even pinnate compound leaves, with 2-5 pairs of leaflets, opposite or alternate, leathery, elliptic or lanceolate, about 5-16cm long and 2-5cm wide, with sharp or acuminate apex, round or cuneate base, and complete margin.
Longan trees are even pinnate compound leaves, alternate, thin leathery, oblong or oblong lanceolate, similar in size to the former, apex acute or slightly blunt.
Lychees are cymes arranged in panicles. The color of flowers is yellow green.
Longan tree is panicle, cluster, miscellaneous, 5 petals, petal color is yellow and white.
