Atuna excelsa is a species of flowering plant in the family Chrysobalanaceae, native to Thailand to the western Pacific. Taxonomy Atuna excelsa was first described by William Jack in 1822 as Petrocarya excelsa. The species and its two subspecies have acquired a large number of synonyms. Subspecies , Plants of the World Online accepted two subspecies: Atuna excelsa subsp. excelsa – Malesia and New Guinea Atuna excelsa subsp. racemosa (Raf.) Prance – throughout most of the distribution of the species; introduced to Java Distribution Atuna excelsa is native to Thailand, Malesia (Borneo, Java, Peninsular Malaysia, the Maluku Islands, the Philippines, Sulawesi and Sumatra), Papuasia (the Bismarck Archipelago, New Guinea and the Solomon Islands) and the western Pacific (the Caroline Islands, Fiji, Samoa, the Santa Cruz Islands, Tonga, Vanuatu and Wallis and Futuna). References excelsa Flora of the Bismarck Archipelago Flora of Borneo Flora of the Caroline Islands Flora of Fiji Flora of Java Flora of Malaya Flora of the Maluku Islands Flora of New Guinea Flora of the Philippines Flora of Samoa Flora of the Santa Cruz Islands Flora of the Solomon Islands (archipelago) Flora of Sulawesi Flora of Sumatra Flora of Thailand Flora of Tonga Flora of Vanuatu Flora of Wallis and Futuna Plants described in 1822