Early Oligocene fruits and leaves of Burretiodendron (Malvaceae s.l.) from South China
Sheng-Lan Xu, Tatiana M. Kodrul, Yan Wu, Natalia P. Maslova, and Jian-Hua Jin
J Syst Evol . 2021, (5): 1100 -1110 .  DOI: 10.1111/jse.12577