33b. Carpinus rankanensis var. matsudae Yamam.

Supplementa Iconum Plantarum Formosarum 5: 15, fig. 5 (Yamamoto 1932). – Type: R. China, Taiwan, Ariko-banti, 8 Jul. 1917, E. Matuda [also called Matsuda] 11 (holo-: TAI118774!; iso-: TI!). – Note: this variety is accepted as a distinct variety of C. rankanensis in Flora of China (Li & Skvortsov 1999) but not by Liao (1996).