↑A. Rehder, Manual of cultivated trees and shrubs hardy in North America exclusive of the subtropical and warmer temperate regions. Novi Eboraci: Macmillan, 1940
1330 : Hu Si-hui, Propria ad mensam Imperatoris principia (Paul D. Buell, Eugene N. Anderson, edd. et interprr., A Soup for the Qan: Chinese dietary medicine of the Mongol era as seen in Hu Szu-hui's Yin-shan cheng-yao [Londinii: Kegan Paul, 2000] p. 377, 383, 565)
Eruditio
P. F. de Siebold in Verhandelingen van het Bataviaasch Genootschap der Kunsten en Wetenschappen vol. 12 fasc. 1 (1830) p. 69
P. F. de Siebold, J. G. Zuccarini, Flora Japonica vol. 1 (1836) p. 29, tab. 11