1、 Blade difference

The cotyledons of Plantaginis are ovate or elliptic, about 4-12 cm long and 2-7 cm wide, rooted, apex pointed or obtuse, narrow base and long stalk. Margin entire or with irregular shallow teeth. The leaves of plantain are ovate lanceolate, elliptic or elliptic lanceolate, about 3-12 cm long and 1-3.5 cm wide. The basal plant is rosette shaped, the apex is acute, the base is wide wedge-shaped to narrow wedge-shaped, and the edge has irregular serrations or teeth

2、 The difference between flowers

Plantaginis is a spike with light green color, and the lobes are triangular and rolled outward. The plantain has a white corolla with small lobes, which are oval or oval and turn back to the back of the flower

3、 Difference of fruit

Plantain is a capsule, the fruit is oval conical, the seed is nearly oval, and the color is black brown. Plantain has an oval capsule and then conical egg shape. The seed is oval and the color changes from yellowish brown to black