Leucaena leucocephala has two pinnate compound leaves, the leaves are alternate, the total petiole is 3 to 5 cm long, there are 4 to 12 pairs of pinnae, the leaflets are usually 10 to 30 pairs, linear or oblong, oblique upward, and the apex has a small tip, long ciliate.
The stipules of Mimosa are lanceolate, 5-10 mm long and bristle, and the pinnae and leaflets will close and droop when touched. The pinnae are usually two pairs, arranged at the top of the total petiole in finger shape. The leaflets are generally 10-20 pairs, in linear oblong shape, 8-13 mm long and 1.5-2.5 mm wide. The leaf apex is sharp and the edge has bristle.
The flower is pink, the calyx is tubular, grows about 3 mm, the corolla grows about 8 mm, the lobes are triangular, 1.5 mm long.
The flower heads of Mimosa are round, about 1 cm in diameter, with long pedicels, small flowers and light pink.
