NINKAEW, S., and P. CHANTARANOTHAI. “The Genus Spatholobus Hassk. (Leguminosae-Papilionoideae) in Thailand”. Tropical Natural History, vol. 14, no. 2, Oct. 2014, pp. 87-99, https://li01.tci-thaijo.org/index.php/tnh/article/view/103024.