Ma Qin, used as medicine (for dysentery, fire, etc.). ) and cooking (cooking, dried vegetables), refers to purslane.

Equus is an annual succulent herb Portulaca oleracea L., whose scientific name is "Portulaca oleracea L.", which is commonly known as "Capparis spinosa L.". Known as "health food" in Shanghai, it is a characteristic wild vegetable. Because of its vigorous vitality, it is also called "longevity dish". Usually creeping, glabrous, and the stems are usually purplish. Leaves opposite, obovate-cuneate. In summer in bloom, the flowers are yellow. The fruit is conical and the lid is cracked. Often born in gardens or wasteland.