ZIZIPHUS pubescens Oliv. [family RHAMNACEAE], in Trans. Linn. Soc, ser. 2, 2: 330 (1887); T.T.C.L.: 470 (1949); I.T.U., ed. 2: 329 (1952); Verdc. in B.J.B.B. 27: 355 (1957); Evrard in F.C.B. 9: 442, t. 45 (1960); K.T.S.: 395 (1961); R.B. Drummond in Bol. Soc. Brot., sér. 2, 39: 59 (1965) & in F.Z. 2: 424 (1966). Type: Tanganyika Kilimanjaro, H.H. Johnston (K, holo. !)
?ZIZIPHUS espinosa Buettn. [family ], in Verh. Bot. Ver. Brandenb. 32: 48 (1890). Type: Congo Leopoldville, Coquela, near Underhill, Tondoa, Buettner 493 (B, holo. †)
ZIZIPHUS jujuba Engl. var. scheffleri [family RHAMNACEAE], ., V.E. 3(2): 305 (1921). Type: Kenya, Machakos District, Kibwezi, Scheffler 3911 (B, holo. †, BM, E, K, L, P, S, Z, iso. !)
Celtis polyclada Peter [family ULMACEAE], F.D.O.-A. 2, Anhang: 1, t. 18/1 (1932). Type: Tanganyika, Lushoto District, Handëi, Malamba [Maramba]-Lugongo, Peter 21020 (B, lecto. !, K, photo.!)