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Yang, R.-C., Yin, Y.-Q., Yang, Z.-H., Yin, F.-W., Zhang, Y.-S., Zhang, Y.-H., Zuo, A.-R. and Shen, J.-Y. 2026. Heterostemma tongbiguanense (Apocynaceae, Asclepiadoideae), a new species from Yunnan, China. Phytotaxa. 740, 2 (Feb. 2026), 212–216. DOI:https://doi.org/10.11646/phytotaxa.740.2.9.