Barringtonia monticola Holotype: Papua New Guinea, Western Highlands, Dagarunga Ridge, Baiyer-Jimi Divide, S5°28', E144°14', Henty & Katik NGF 38894 (K) Isotype: Papua New Guinea, Western Highlands, Dagarunga Ridge, Baiyer-Jimi Divide, S5°28', E144°14', Henty & Katik NGF 38894 (LAE)