The leaves of Chinese toon are odd pinnate compound leaves, the leaflets are 13-27, opposite or nearly opposite, paper, oval lanceolate, long acuminate at the apex, slightly slanted at the base, truncated or slightly round, with 1-2 coarse serrations on both sides, dark green on the leaf surface and gray green on the back.
The leaves of Luan tree are one or incomplete two pinnate compound leaves, with 11-18 leaflets, opposite or alternate, ovate to ovate lanceolate, apex short, base blunt to truncate, margin irregularly serrated.
The Chinese toon is a panicle, the flower color is light green, 5 sepals, arranged in tile like, with 5 petals.
Luan tree is a cyme, the flower color is light yellow, there are 4 petals, long and round.
