1、 Stem difference
The stem of spearmint is a little longer, there is no hair on it, the color is mostly green, with leaf grooves and stripes, and the undeveloped branches grow close to the ground p>
The stem of peppermint is shorter, with concave grains, many pilose hairs and many branches p>
2、 The difference between leaves
There is no petiole in the leaves of spearmint, which is in the shape of oval oblong or needle. The front of the leaves is relatively sharp, it is a little round at the base, and there are serrations at the edge of the leaves. Its color is green above and grayish green below p>
The leaves of mint are oblong lanceolate and slightly soft p>
3、 The difference between flowers
The flower of spearmint grows on the stem or branch, and its flower color is purple or white p>
Mint flowers are small and purple in color p>