Octarrhena is a genus of flowering plants from the orchid family, Orchidaceae. It contains about 30-40 species native to Sri Lanka, Indonesia, Malaysia, the Philippines, New Guinea, Queensland, and assorted islands in the western Pacific.
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