1. 1) Asahishinbun, “Asahi Encyclopedia the World of Plants,” Vol. 9, Asahishinbun Press, 1997, pp. 243-244.
2. 2) Jiangsu New Medical College, “Dictionary of the Traditional Chinese Medicines,” Shanghai Scientific Technologic Publishing House, Shanghai, 1977, pp. 1334-1335.
3. 4) Kan W.S., “Pharmaceutical Botany,” National Research Institute of Chinese Medicine, Taiwan, 1986, p. 647.