Wuzhishan, located in the central part of Hainan Island and characterized by undulating terrain and diverse vegetation, is rich in plants. In October 2020, field investigations were carried out by the 14th Shenyang Pharmaceutical University Chinese Medicine Resources Scientific Expedition Team. Through specimen collection and literature retrieval, the team collected and analyzed vascular plants, resulting in the identification of 455 species belonging to 328 genera in 145 families. The dominant families are Leguminosae, Malvaceae, Compositae, Rubiaceae, Lauraceae, Pteridaceae, and Polypodiaceae. The main dominant species were perennial herb, comprising 147 species, 32.31% of the total. From the 367 species of medicinal vascular plants, the team screened and recorded 20 species of Li medicine according to indications of the medicinal use and the part of the plant used. As a result, the dominant families of vascular plants were similar to medicinal vascular plants, which means vascular plants is an important medicinal resource in Wuzhishan. Based on the investigation and research, further suggestions were made to strengthen the conservation and utilization of plant resources in Wuzhishan.
