INDIGOFERA longibarbata Engl. [family LEGUMINOSAE-PAPILIONOIDEAE], Hochgebirgsfl. Trop. Afr.: 257 (1892); Cronquist in F.C.B. 5: 141 (1954); Gillett in F.W.T.A., ed. 2, 1: 541 (1958) & in K.B., Add. Ser. 1: 109 (1958); Torre in C.F.A. 3: 126 (1962). Type: N. Ethiopia, Debra Tabor, 1863, Schimper 1389 (B, holo. †, K, iso.!)
INDIGOFERA hirsuta Bak. var. polystachya [family LEGUMINOSAE-PAPILIONOIDEAE], in F.T.A. 2: 89 (1871); F.P.N.A. 1: 303 (1948). Types: Angola, Cuanza Norte, Pungo Andongo, Lombe–Quibinda, Welwitsch 2056 (LISU, SYN., K, isoSYN.!) & Huila, Ivantala, Welwitsch 2065 (LISU, SYN.)