Naravelia zeylanica

Clematis zeylanica is a species of liana belonging to the family Ranunculaceae which is native to Asia. It was earlier classified as Naravelia zeylanica,[1] but was renamed when molecular phylogenetic research revealed that the genus was nested in Clematis.[2]
References

Tamura, Michio (1986). "A revision of genus Naravelia". Acta Phytotaxonomy and Geobotany. The Japanese Society for Plant Systematics. XXXVII (4–6): 106–110. Retrieved 25 March 2018.
Xie, Lei; Wen, Jun; Li, Liang-Qian (2011). "Phylogenetic Analyses of Clematis (Ranunculaceae) based on Sequences of Nuclear Ribosomal ITS and Three Plastid Regions". Systematic Botany. American Society of Plant Taxonomists. 36 (4): 907–921. Retrieved 27 March 2018.