Silva, G.S.D., Marland Torke, B. & Mansano, V.D.F. (2023) Alexa duckeana (Leguminosae-Papilionoideae): a new species from the Brazilian Amazon. Phytotaxa 629 (3): 255–265. https://doi.org/10.11646/phytotaxa.629.3.7