1、 Tree difference

Longya flower is a shrub or small tree, with a general height of 3-5M. Erythrina is a tall tree, and its height can reach 20m. Therefore, compared with the two, the shorter one is Longya flower

2、 Leaf difference

Both of them are pinnately compound leaves. However, the leaflets of Longya flower are rhomboid ovate, with a length of 4-10cm and a width of 2.5-7cm, while the leaflets of Erythrina are wide ovate or rhomboid ovate, with a length and width of 15-30cm. Therefore, the leaflets of Longya flower are smaller than those of Erythrina flower. In addition, the petiole of Erythrina usually has no thorns, while there are small thorns on the petiole of Longya sometimes

3、 The difference between flowers

The flower of Longya flower is dark red and has short pedicel. The length of inflorescence can reach more than 30cm, while the flower of Erythrina is red and the length of inflorescence is 10-16cm. Therefore, compared with the two, the flower with longer inflorescence is Longya