Mountain betel

Piper hancei Maxim. is a plant of the pepper family, belonging to the pepper genus. It is a climbing vine that can grow up to more than 10 meters in length. Except for the inflorescence axis and bract stalk, it is hairless; The leaves are papery or nearly leathery, with a short or gradually pointed tip and a gradually narrowed or wedge-shaped base. The reticular veins are usually prominent; The leaf sheath is about half the length of the petiole. Flowers unisexual, dioecious, clustered into spikes opposite to leaves. The total peduncle is equal to or slightly longer than the petiole, the bracts are nearly circular, and the filaments are short. Ovary nearly spherical, berry spherical, yellow, flowering from March to August. Shan Jing is mainly used as medicine, with the effects of promoting qi circulation, relieving pain, dispelling wind and reducing swelling, and can treat rheumatoid arthritis.