1、 Blade difference

The leaves of Hawthorn are triangular ovate or wide ovate, and rarely rhomboid ovate. The apex is short acuminate, and the base is truncated to wide wedge-shaped. Usually, there are 3-5 pinnate deep lobes on both sides, and the lobes are ovate lanceolate or banded. The leaves of crimson fruit are round or oval, the base is wedge-shaped or round, the apex is acuminate, and the color is dark green

2、 Petal difference

Hawthorn flowers are corymbos inflorescences, and the petals are obovate or nearly round, with white color. The petals of crimson fruit are oval, white and red

3、 Fruit difference

The fruit of hawthorn is nearly spherical or pear shaped, and its color is dark red. The Sea red fruit is oblate and dark red in color