A new species of Caulokaempferia K. Larsen (Zingiberaceae), Caulokaempferia pubescens Picheans. & Phokham, from Changwat Mae Hong Son in Northern Thailand is reported. Full descriptions, together with ink line–drawing with water color and photographic illustrations are given. Relationship of this new species with their phylogenetically closest related taxa, C. larsenii
Suksathan & Triboun, is also discussed.
KEY WORDS: Caulokaempferia, Caulokaemferia pubescens, northern Thailand, Zingiberaceae