Cyclobalanopsis chevalieri

Cyclobalanopsis chevalieri (Hickel & A. Camus) Y. C. Hsu & H. W. Jen, J. Beijing Forest. Univ. 15(4): 45. 1993. 黑果青冈 hei guo qing gang. Pen and ink on ATC-sized Bristol board. Read the description of this oak from Vietnam and China, here.