J. Jap. Bot. 28: 131 (1953)
[Journal of Japanese botany [Shokubutsu kenkyu zasshi]]

1. Deyuan, H., Hanbi, Y., Cunli, J., et al., Flora of China, vol. 18 (Scrophulariaceae): 25 (1998)

Illustrations originally published under Deinostema T. Yamaz. :