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Lau, C. P. Y.; Ramsden, L.; Saunders, R. M. K. (2005), “Hybrid origin of "Bauhinia blakeana" (Leguminosae: Caesalpinioideae), inferred using morphological, reproductive, and molecular data”, American Journal of Botany, 92 (3): 525–33, doi:10.3732/ajb.92.3.525, PMID21652431