Arctium lappa is a large biennial herbaceous plant in the family Asteraceae, widely known as greater burdock and cultivated as a root vegetable in East Asian cuisines. The species produces a long, thick taproot that is harvested as a food source, especially in Japan where it is known as gobō (ごぼう). The scientific name derives from Greek and Latin roots: the genus name Arctium comes from the Greek arktion, meaning “bear,” referring to the rough, bristly burrs of the plant that cling to animals, while the species epithet lappa comes from Latin meaning “bur,” likewise describing the hooked seed heads. The plant is believed to be native to temperate regions of Eurasia, particularly across Europe and northern Asia, and it has been naturalized in many other regions.

The plant forms large basal leaves and produces tall flowering stalks bearing purple thistle-like flowers followed by burr-like seed heads. The edible portion is the elongated taproot, which develops a crisp texture and mildly earthy, slightly sweet flavor when harvested young. Historically, burdock root has been used both as food and as a medicinal plant in Eurasian herbal traditions, where it was valued for digestive and detoxifying properties. In Japanese cuisine, the root is commonly cut into thin strips and used in dishes such as kinpira gobō, soups, stews, and stir-fried preparations, where it contributes both texture and flavor.

Arctium lappa is rich in dietary fiber and contains the storage polysaccharide inulin, which functions as a prebiotic fermentable carbohydrate. The plant also contains several bioactive compounds including arctiin and its aglycone arctigenin, phenolic acids such as chlorogenic acid, and various lignans that have been investigated for antioxidant, anti-inflammatory, and antimicrobial activity in experimental studies. While generally safe as a vegetable when properly prepared, the root’s fibrous structure requires slicing or shredding for culinary use.