Gymnanthera oblonga is a species of vine in the family Apocynaceae (previously Asclepiadaceae) from northern Australia, southeast Asia (Cambodia, Indonesia, Malaysia, Philippines, Thailand, Vietnam), New Guinea, and southern China (Guangdong, Hainan).Flora of China Vol. 16 Page 193 海岛藤 hai dao teng Gymnanthera oblonga (N. L. Burman) P. S. Green, Kew Bull. 47: 333. 1992.
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