GLADIOLUS laxiflorus Baker [family IRIDACEAE], in Trans. Linn. Soc., ser. 2, 1: 268 (1878) & in F.T.A. 7: 362 (1898); Wild in Fl. Pl. Afr. 33: t. 1287 (1959); Geerinck in B.J.B.B. 42: 279 (1972). Cribb & Leedal, Mountain Fl. S. Tanz.: 177, t. 50C (1982); Goldblatt in F.Z. 12(4): 75 (1993) & Gladiolus Trop. Afr.: 115 (1996). Lectotype, chosen by Goldblatt (1996): Angola, Huila Mts., Welwitsch 1536 (BM, lecto.!, B, C, COI, K, LD, P, isolecto.!)
GLADIOLUS tritonioides Baker [family IRIDACEAE], in K.B. 1895: 74 (1895) & F.T.A 7: 363 (1898). Type: Zambia, Lake Tanganyika, Fwambo, Carson 37 (K, holo.!)
GLADIOLUS antunesii Baker [family IRIDACEAE], in F.T.A. 7: 576 (1898). Type: Angola, Huila, Antunes 326 (B, holo.!, COI, K - spike only with drawing of holo., LISC, iso.!)
GLADIOLUS trichophyllus Diels [family IRIDACEAE], in N.B.G.B. 13: 264 (1936). Lectotype, chosen by Goldblatt (1996): Tanzania, Njombe District, upper Ruhudji [Ruhudje], vicinity of Lupembe, Schlieben 1136A (B, lecto.!, B, BR, K, LISC, MO, PRE, SRGH, isolecto.!)