"Hiyodori-jogo" (Solanum lyratum) belongs to Solanaceae (the Potato family). It is a perennial vine that is distributed all over Japan and the Korean Peninsula, China, South-east Asia. This climbing vine occurs in open woods and roadsides, and twines other plants with long petioles. Leaves are ovate to oblong, often divide into 3-5 lobes deeply at underneath of the stem. They look like tomato's leaves. From August to September, sparsely cymes of small whitish flowers are seen on terminal stems or axils. Fruits are small round berry and ripen vermillion-red in late fall. They contain poisonous psudo-alkaloid (Solanine).