Plocosperma buxifolium Benth. Plocosperma buxifolium Benth., Hooker's Icon. Pl. 12(82): , t. 1195. 1876 sec. Juárez-Jaimes & al. 2008=Plocosperma anomalum Blake in Contr. U.S. Natl. Herb. 24 (1): 17. 1922 syn. sec. The Plant List 2013