Zamora, N., et al. “Dussia Atropurpurea (Leguminosae-Papilionoideae), a New Species from Central America and Notes on Sarcotesta Coloration in Dussia Systematics”. Edinburgh Journal of Botany, vol. 56, no. 2, July 1999, pp. 175-80, https://doi.org/10.1017/S0960428600001050.