Saprophyte is a kind of tall tree, which can grow to more than 20 m. Its bark is grayish brown or black brown, its twigs are green, and there is no fluff on them.
The height of Luan tree is not as high as the former, and it can only grow to 7-13m.
The total length of the leaves and petioles of saprophytes was 25-45cm. Its leaves have 5-8 pairs of leaflets, paper, long oval, length of 7-15cm, width of 2-5cm.
The length of Luan tree leaves can reach 50cm, without petioles or very short petioles. It has 5-9 pairs of leaflets on its leaves, which are paper-based and oval in shape, 5-10cm in length and 3-6cm in width, which are rounder than the former.
