抄録
Begonia kachinensis Nb. Tanaka (Begoniaceae, section Sphenanthera), from the Hukaung Valley Tiger Reserve, Kachin State, northern Myanmar, is illustrated and described as a new to science. Begonia kachinensis is easily distinguished from other species of Begonia section Sphenanthera by a combination of the following characters; dioecious habit, bicolored leaves, flowers with two tepals, and 4-locular baccate fruits.
