1、 Leaf difference

The leaves of yarrow are sessile, lanceolate, oblong lanceolate or nearly strip-shaped, about 5 to 7 cm long, with 2 to 3 pinnatifid lobes, the leaf axis is about 1.5 to 2 mm wide, there are many lobes in one cycle, with an interval of 1.7 to 7 mm, and the last lobes are lanceolate to strip-shaped, 0.5 to 1.5 mm long and 0.3 to 0.5 mm wide, with a short tip of cartilage at the top

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

2、 Flower difference

Yarrow head, dense 2 to 6 cm compound corymbose, flower tongue is nearly round, and the color is white, pink or light purplish red

Leonurus heterophyllus has axillary umbels with 8 to 15 small flowers. The outline of the flowers is spherical, with a diameter of 2 to 2.5 cm, and the Corolla is pink or light purplish red