Zingiber alba is a new species from West Sumatra. Scaphoclamys perakensis is newly recorded species from the Eastern part of Sumatra. Detailed descriptions and photographs are given for each species.
Arbain D, J.R. Cannon, J.R. Afriastini, K. Kartawinata, R. Djamal, A. Bustari, A. Dharma, A. Rosmawaty, H. Rivai, H. Zaherman, D. Basir, M. Sjafar, M.Sjaiful, R. Nawfa and S.Kosela.1989.Survey of some West Sumatran plants for alkaloids. Econ. Bot.43(1): 73-78.http://doi.org/10.1007/BF02859327
Leong-Skornickova, J., Q.B.Nguyen, T.H.Dang, O.Sida, R.Rybkova, B.V.Truong. 2015.Nine new Zingiber species (Zingiberaceae) from Vietnam.Phytotaxa219(3): 201-220.http://doi.org/10.11646/phytotaxa.219.3.1