Erythrina humeana Spreng. [family LEGUMINOSAE], in Syst. Veg. 3: 243 (1826). —Collett in Bothalia 4: 225 (1941). —Hennessy, South African Erythrinas: 21, t. 20 (1972). —Codd in Bothalia 11: 269 (1974). —Krukoff & Barneby in Lloydia 37: 408, fig. on p. 408 (1974); in Allertonia 3: 131, t. 110 (1982). —Lock, Leg. Afr. Check-list: 410 (1989) excl. distr. Zimbabwe. —Mackinder in Kirkia 14: 115, fig. 1 (1993). TAB. 3.5.2. Lectotype chosen by Codd (1974): t. 736A in Bot. Reg. 9 (1823).
Erythrina princeps A. Dietr. [family LEGUMINOSAE], in Otto & Dietrich, Allg. Gartenzeitung 2: 305 (1834). Type a cultivated plant of unknown origin from Berlin Botanic Garden. See note at end of species.
Erythrina humei E. Mey. [family LEGUMINOSAE], Comment. Pl. Afr. Austr.: 150 (1836). —Harvey in F.C. 2: 237 (1862). Type from South Africa (Eastern Cape).
Erythrina raja Meisn. [family LEGUMINOSAE], in London J. Bot. 2: 96 (1843). Type from South Africa (KwaZulu-Natal).
Erythrina hastifolia G. Bertol. [family LEGUMINOSAE], Mem. Reale Accad. Sci. Ist. Bologna 2: 568, t. 38 (1850). Type: Mozambique, not traced, but probably Fornasini (BOLO).
Erythrina humei var. raja Meisn. Harv. [family LEGUMINOSAE], in F.C. 2: 237 (1862).
Erythrina humei var. hastifolia G. Bertol. Baker f. [family LEGUMINOSAE], Legum. Trop. Africa: 370 (1929).