STRYCHNOS innocua Bruce & Lewis var. glabra [family LOGANIACEAE], in K.B. 1956: 273 (1956). Type: Tanganyika, Tanga District, Kwamkembe-Pongwe, Greenway 4851 (EA, holo.!)
STRYCHNOS burtonii [family LOGANIACEAE], [sensu Baker in K.B. 1895: 98 (1895), pro parte, quoad Kirk 96]
STRYCHNOS melonicarpa Gilg & Busse [family LOGANIACEAE], in E.J. 36: 101 (1905); T.T.C.L.: 278 (1949). Type: Tanganyika, Pangani District, near Mnyuzi, Busse 2266 (B, holo.†, EA, iso.!)
STRYCHNOS stenoneura Gilg & Busse [family LOGANIACEAE], in E.J. 36: 103 (1905); T.T.C.L.: 278 (1949). Type: Tanganyika, Lindi District, Mayanga, Busse 2537 (B, lecto. †, EA, HBG, isolecto.!)
?STRYCHNOS leiocarpa Gilg & Busse [family ], in E.J. 36: 103 (1905); T.T.C.L.: 278 (1949). Types: Tanganyika, Lindi District, Mtange, Busse 2458 (B, syn.†, EA, isosyn.!) & Kilwa District, near Kipunga, Busse 2938 (B, syn.†, EA, isosyn.!)
STRYCHNOS polyphylla Gilg & Busse [family LOGANIACEAE], in E.J. 36: 104 (1905); T.T.C.L. 278 (1949). Types: Tanganyika, Kilwa District, Matumbi Mts., Busse 3058 (B, syn.†, BM, EA, & HBG, isosyn.!) & near Kwakikumba, Busse 3063 (B, syn.†, EA, isosyn.!)