Broad leaved

It is also known as "big leaf Phellodendron", "rat thorn" and so on. It is an evergreen shrub. Its height is about four meters. The leaves have pinnate compound leaves, about 30 to 45 cm in length, and the small leaves are wide ovate or long ovate, with a length of 6 cm to 12 cm. The tip is pointed, and the edge has two to eight teeth, and the base is close to heart-shaped. As for the color, the top is green and the bottom is a little gray. There are also its flowers, racemes, stout stems, one bract, nine sepals and six petals. The fruit is oval and dark blue

Fine leaf

It is also called "cat head", "yellow Tianzhu" and so on. Although it is also an evergreen shrub, its height is not as high as the first one, about one to two meters. Its stem is very erect, with many branches and no thorns. The base of its leaf blade is wedge-shaped, and there are about six to thirteen serrations at the edge. There are also some subtle differences in color. The color under the leaves is gray yellow green, without waxy white powder. The number of petals and sepals is the same as the first one, but the color of the fruit is slightly different. This one is blue black and has a layer of wax powder on it

South China class

Its height is about two meters, which is quite different from the first and almost the same as the second. The stem is erect and rarely branched. The tip of its leaf blade is spiny, the bottom is also wedge-shaped, and the edge has two to six teeth, which is relatively large. Its flowers are loose and drooping, and its color is light yellow. Its fruit shape is different from the first two. It is spherical, but its color is similar to the second one, blue black, and there will also be a wax powder