Nobuyuki Tanaka is an economic botanist at the Tokyo Metropolitan University, the Makino Botanical Garden in K?chi prefecture, Japan and the Forestry and Forest Products Research Institute (FFPRI), Japan.Tanaka is an expert on the family Cannaceae, and in 2001 published a revision of the family Cannaceae in the New World and Asia. Another contribution by Dr. Tanaka is to revise the Flora of Myanmar.