Amorphophallus mirabilis is herein described and illustrated from Hpa‐an District, Kayin State, Myanmar. A detailed description, colour plates, phenology, and a provisional conservation status are provided. In addition, A. napalensis is reported as a newly recorded species for Myanmar. With the discovery of the new species and A. napalensis, Myanmar now holds 17 Amorphophallus species.Keywords: Amorphophallus napalensis, Burma, Chin State, Kayin State, mirabilis, new species