Infraspecific Taxa of Staphylea japonica and a New Species, S. ternata (Staphyleaceae)

Abstract

Four varieties of Euscaphis japonica (Thunb.) Kanitz described from China are revised under Staphylea japonica (Thunb.) Mabb. Euscaphis japonica var. ternata Rehder is validly recognized as S. ternata (Rehder) H.Ohashi, K.Ohashi & X.Y.Zhu (comb. and stst. nov.); E. japonica var. wupingensis B.P.Cai & Z.R.Chen is a synonym of S. japonica f. eburnean (Yamanaka) H.Ohashi; and E. japonica var. jianningensis Q.J.Wang and var. pubescens P.L.Chiu & G.R.Zhong are regarded as synonyms of S. japonica f. lanata (Masam.) H.Ohashi.