The Pondok Buluh Training Forest is located in Simalungun Regency, North Sumatra, which has a fairly high diversity of flora, one of which is a plant from the Araceae family. Araceae is a family of taro that has potential for ornamental plants, medicinal plants, food and animal feed, therefore it is important to conduct research on Araceae species in this location to determine the diversity and potential of Araceae. From the results of the research, it was found that there were 13 species of Araceae which were included in 6 genera, namely Aglaonema, Alocasia, Diffenbachia, Homalomena, Schismatoglottis and Syngonium. The species are Aglaonema crispum, Alocasia arifolia, Alocasia sp., Alocasia longiloba, Alocasia sanderiana, Alocasia scabriuscula, Dieffenbachia seguine, Diffenbachia amoena, Homalomena cordata schott, Homalomena pendula, Homalomena rubescens, Schismatoglottis calyptrata, and Syngonium podophyllum. The potential of Araceae plants is as a medicinal plant, ornamental plant, vegetable pesticide and animal feed.