Included here a group of islands in the South Pacific known as Tonga (officially the Kingdom of Tonga). Thirty six of the 150 islands of Tonga are inhabited. Endemic plants have been found in the Eua National Park on the islands of Eua (E), Tongatapu (T) and Vava’u (V).
Of the endemic vascular plants so far recorded there are 9 species in 9 genera and 8 families but no endemic genera.
Taufatofua, P. & Halafihi, M. 1996. Tonga: Country Report to the FAO International Technical Conference on Plant Genetic Resources. Leipzig.
Whistler, W. A. 1983. Vegetation and flora of the Aleipata Islands, Western Tonga. Pacific Science, 37: 227-249.