Lonchocarpus laxiflorus Guill. & Perr.

POWO follows these authorities in synonymising this name:

• Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers. [Cited as Philenoptera laxiflora.]
• Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew. [Cited as Philenoptera laxiflora.]

This name was accepted following an alternative taxonomy by these authorities:

• Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 1: 1-359. Centre Regional de Documentation Pedagogique, Nice. [Cited as Lonchocarpus laxiflorus.]
• Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux. [Cited as Lonchocarpus laxiflorus.]

Flora of West Tropical Africa

• Aubrév. Fl. For. Soud.-Guin. 315, t. 60, 1–4.
• Bak. f. Leg. Trop. Afr. 2: 549
• Chev. Bot. 214
• —F.T.A. 2: 242

Flora of Tropical East Africa

• Bak. f., Leguminosae of Tropical Africa: 549 (1929).
• Bak. in Flora of Tropical Africa 2: 242 (1871), pro parte.
• Dale & Greenway, Kenya Trees and Shrubs p. fig. 72 (1961) only.
• F. W. Andr., The Flowering Plants of the Anglo-Egyptian Sudan 2: 221, fig. 83 (1952).
• Guill. & Perr. in Fl. Seneg. Tent. 1: 226 (1832).
• Harms in A. Engler & O. Drude, Die Vegetation Der Erde, IX, Pflanzenwelt Afrikas 3 (1): 641 (1915).
• Hauman in Flore du Congo Belge et du Ruanda-Urundi, 6: 12 (1954).
• Hepper in Flora of West Tropical Africa, ed. 2, 1: 523 (1958).
• W.J. Eggeling, Indigenous Trees of the Uganda Protectorate, ed. 2: 304, fig. 65 (1952).

International Legume Database and Information Service

• Dalziel, J. M. (1937). The Useful Plants of West Tropical Africa
• Gillett, J. B. et al. (1971). Papilionoideae. In: Fl. Trop. E. Africa, Milne-Redhead & Polhill
• White, F. (1983). The Vegetation of Africa