Plantago is a genus of plants distributed worldwide. This document discusses the biological sources, geographical distribution, and physicochemical properties of Plantago. It notes that Plantago major is found in Indonesia and its leaves, roots, and seeds are used. Geographically, it is distributed throughout Europe, Asia, and Africa. Chemically, it contains proteins, lipids, and mucilage dominated by D-xylose. Clinically, it has been used to treat constipation, diarrhea, and inflammation.