Begonia siccacaudata J.Door. in Blumea 45(2): 400. 2000
- Isotype: Indonesia, Sulawesi: Sulawesi: Bantimurung Waterfalls, alt. 60 m, Wieringa, J.J. 1902 (L)
- Isoepitype: Indonesia, Sulawesi: Sulawesi: Bantimurung Waterfalls, alt. 60 m, Wieringa, J.J. 1902 (WAG)