1、 Tree difference

The crown of Cotinus chinensis is round, up to 3 to 5 meters high, and the xylem is yellow

Cotinus tomentosa can be as high as 8 meters, and its branches are reddish brown

2、 Leaf difference

The leaves of Cotoneaster are single and alternate, the leaves are entire or have fine teeth, the petiole is slender, there is no stipule, and the leaves are obovate or oval

The leaves of Cotinus tomentosa are single and alternate, the leaves are oval or obovate, 4 to 8 cm long, and the leaves are entire

3、 Flower difference

The panicle of Cotoneaster is terminal, the flower is very small, the calyx has 5 cracks, the lobes are lanceolate, and the petals have 5, which are long oval or oval lanceolate, twice the length of the calyx, and the disc has 5 cracks, which is purple brown

The terminal panicle of Cotinus tomentosa is light purple