Plantago, also known as Trifolium repens, is a perennial herb of Plantago. It grows in Shan Ye, roadsides, gardens, rivers and other places. Its rhizome is short and thick with dense hairs. All leaves are rooted, smooth, wide oval, with wavy edges and inconspicuous blunt teeth. There are five main veins, which protrude to the back of the leaf and extend into the petiole like ribs. The leaf is often as long as the petiole. In spring, summer and autumn, ears are pulled out from the center of the plant. It's possible.