Humulus, also known as sesame, is a plant of the genus Humulus, an annual erect herbaceous plant, has a long history of cultivation in China. Many areas are cultivated, such as Shandong, Hebei, Henan and other regions, the seeds are edible, can also be used to extract oil. The height of the plant is 150cm, branched or unbranched, the leaf blade is rectangular, ovate, the lower leaves are often palmately 3-lobed, the middle leaf blade has a tooth defect, the upper leaf blade is close to the whole edge.

Humulus stalk hollow, or with white pith, slightly hairy, leaf length 3-10cm, leaf width 2.5-4cm, leaf blade with 1-5cm long petiole, late summer and early fall flowering, flowers solitary, or 2-3 together in the leaf axils, calyx lobes are lanceolate, pilose, corolla is tubular, white, often purplish-red, yellow color halo, capsule is a rectangular, longitudinal ribs.