1、 Leaf difference

The outline of summer solstice leaves is round, 1.5 to 2 cm long. The apex of the leaves is round, the base is heart-shaped, with three deep cracks, and the lobes have round teeth. Sometimes the leaves are oval, 3-lobed or deeply lobed. The lobes are toothless or have sparse round teeth. Both sides of the leaves are green and pilose grow on them

The lower leaf contour of the stem of Leonurus heterophyllus is oval, the base is wide wedge-shaped, palmately 3-lobed, and the lobes are oblong rhombic or oval, usually 2.5 to 6 cm long and 1.5 to 4 cm wide, green above and light green below

2、 Flower difference

Summer solstice, umbel, about 1 cm in diameter, corolla white, faintly pink

The inflorescence of Leonurus heterophyllus is an axillary cymose, which generally has 8 to 15 flowers, is round, and the diameter is 2 to 2.5 cm. The flowers form a long spike