Schumacher, H.C.F. & Thonning, P. (1827), Beskrivelse af Guineiske Planter: 338 [tax. nov.]

Hooker, W.J. in Oliver, D., Thiselton Dyer, W.T., Prain, D. & Hill, A.W. (ed.) (1876), Flora of Tropical Africa 2: 200 [basionym]

basionym of: Vigna vexillata var. angustifolia (Schumach. & Thonn.) Baker legitimate

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1984), Fabaceae. Flora of South-eastern Queensland 1: 324 [nomenclatural synonym]

nomenclatural synonym of: Vigna vexillata var. angustifolia (Schumach. & Thonn.) Baker legitimate

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