Poincianella eriostachys (Benth.) Britton & Rose

POWO follows these authorities in synonymising this name:

• Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras. [Cited as Caesalpinia eriostachys.]

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

• Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192. [Cited as Poincianella eriostachys.]
• D'Arcy, W.G. (1987). Flora of Panama. Checklist and Index.. Monographs in Systematic Botany from the Missouri Botanical Garden 17: 1-328. Missouri Botanical Garden. [Cited as Poincianella eriostachys.]
• Hammel, B.E., Grayum, M.H., Herrera & C. & Zamora, N. (eds.) (2010). Manual de plantas de Costa Rica volumen V. Dicotiledóneas (Clusiaceae-Gunneraceae). Monographs in Systematic Botany from the Missouri Botanical Garden 119: 1-970. Missouri Botanical Garden. [Cited as Poincianella eriostachys.]
• Standley, P.C. & Steyermark, J.A. (1946). Flora of Guatemala. Fieldiana Botany New Series 24(5): 1-502. Field Museum of Natural History. [Cited as Poincianella eriostachys.]
• Stevens, W.D., Ulloa U., C., Pool, A. & Montiel, O.M. (2001). Flora de Nicaragua. Monographs in Systematic Botany from the Missouri Botanical Garden 85: i-xlii, 1-2666. Missouri Botanical Garden. [Cited as Poincianella eriostachys.]
• Villaseñor, J.L. (2016). Checklist of the native vascular plants of Mexico. Revista Mexicana de Biodiversidad 87: 559-902. [Cited as Poincianella eriostachys.]