Pentastemona is a genus in the family Stemonaceae, described as a genus in 1982. In 1992, Duyfjes placed the genus in its own family, the Pentastemonaceae, but this is not widely accepted. The entire genus is endemic to the Island of Sumatra in Indonesia. Species 1. \n* Pentastemona egregia (Schott) Steenis 2. \n* Pentastemona sumatrana Steenis
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0