20d. Carpinus londoniana var. xiphobracteata P.C.Li

Acta Phytotaxonomica Sinica 17 (1): 87 (Li 1979b). – Type: China, Chekiang [Zhejiang], Yin Hsien [Yin Xian (鄞县)], G.R. Chen [Chen Gun-rung] 2289 (holo-: PE).