Yuanbao tree can grow to 30m high, and the diameter of stem can reach 2m, while Emerald tree can only grow to 15m high. So compared with the two, the tall one is Yuanbao tree.
The leaves of yuanbaoshu are 8-16cm long, and the leaf axis has wings but is not developed. The petiole is 2-5cm long, with sparse or dense villi on it. The leaves of emerald tree are 4-7cm long, the leaf axis is 30cm long, and there is no fluff on it. There is no fluff on the petiole.
The inflorescence of the Yuanbao tree is a panicle, which grows on the branches and leaves small yellow flowers. The inflorescence of emerald tree is erect, which grows from the top, and the flowers are white or light yellow.
