1、 Plant difference

The plant has many branches, the whole plant is densely covered with fine white pubescence, and the stem is thin

The stem of peppermint is upright, about 30 to 60 cm high. The lower sections have slender fibrous roots and horizontally creeping rhizomes, which are sharp quadrangular and have four grooves

2、 Leaf difference

The leaves of tangtuxiang are fleshy and opposite to each other. They are green in color and oval in shape. The edges of the leaves have blunt serrations

The leaves of peppermint are oblong lanceolate, oval lanceolate, oval or lanceolate, vaguely oblong, about 3 to 5 cm long and 0.8 to 3 cm wide, with sharp apex and wedge-shaped or nearly circular base

3、 Flower difference

The flowers of bumping fragrance are cymes, tubular flowers, small flowers, white or lavender

Mint cymes are axillary, the outline of the inflorescence is spherical, the diameter of the flowers is about 18 mm, and the flowers are lavender