It is also known as "big leaf Phellodendron", "mouse 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 ones are broadly ovate or long ovate, ranging in length from 6 to 12 cm. The tip is pointed, and the edge has two to eight teeth, and the base is close to the heart shape. As for the color, it's green on the top and gray on the bottom. There are also flowers, racemes, stout stalks, one bract, nine sepals and six petals. The fruit is oval, dark blue.
It's also called "cat head", "yellow bamboo", etc. 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 leaves is cuneate, and the margin of its serrations is about six to thirteen. There are also some subtle differences in color. The color under the leaves is grayish yellow green, without wax like white powder. The number of petals and sepals is the same as that of the first one, but the color of the fruit is a little different. This one is blue black, and there is a layer of wax powder on it.
Its height is about two meters, which is quite different from the first one and almost the second one. The stem is erect and rarely branched. Its leaf blade apex is spiny, the bottom is also cuneate, the edge has two to six teeth, relatively large. Its flowers are loose and drooping, and the color is light yellow. Its fruit shape is different from the first two, it is spherical, but the color is similar to the second, blue and black, and there will be a wax powder.
