15a. Carpinus kawakamii Hayata var. kawakamii

Note: Accepted in the Flora of China (Li & Skvortsov 1999) with a distinct C. kawakamii var. minutiserrata (Hayata) S.S.Ying, whereas Liao (1996) does not accept an infraspecific taxon in the Flora of Taiwan.

C. hogoensis Hayata, Icones Plantarum Formosanarum 6: 62 (Hayata 1916). – Type: R. China, Taiwan, Musha [Wu sha], Hōgō [Chunyang], 3500 ft, Apr. 1916, B. Hayata s.n. (holo-: not localized; iso-: TAIF!). – Note: Carpinus hogoensis is regarded as a synonym of C. kawakamii var. kawakamii in the Flora of China (Li & Skvortsov 1999).

C. sekii Yamam., Supplementa Iconum Plantarum Formosarum 5: 12 (Yamamoto 1932). – Type: R. China, Taiwan, in monte Daibusan, 3000 ft, 24 May 1918, E. Matsuda s.n. (holo-: TAI [118775]!). – Note: Carpinus sekii is regarded as a synonym of C. kawakamii var. kawakamii in the Flora of China (Li & Skvortsov 1999).

C. auriculifera Hayata nom. nud. – Note: C. auriculifera is only known from the specimen collected in R. China (Ariko-banti, 1 Feb. 1917, E. Matsuda s.n., TAI [035707]!) and is marked as “ type ”. It might have been published, but the protologue was not localized. The specimen, however, clearly belongs to C. kawakamii .