Middleton, D. J., Suddee, S. and Lindsay, S. (2014) “A new species of Kamettia (Apocynaceae: Rauvolfioideae), a genus new to Thailand”, Thai Forest Bulletin (Botany), (33), pp. 75–80. available at: https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24299 (accessed: 5 April 2025).