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Fischer, E., Theisen, I. & Lohmann, L.G. (2004). Bignoniaceae. The Families and Genera of Vascular Plants 7: 9-38. Springer.
Zjhra, M.L., Sytsma, K.J., and Olmstead, R.G. (2004). Delimitation of Malagasy tribe Coleeae and implications for fruit evolution in Bignoniaceae inferred from a chloroplast DNA phylogeny. Plant Systematics and Evolution 245: 55-67.
Zjhra, M.L. (1998). Phylogenetics, Biogeography and Pollination Ecology of Endemic Malagasy Coleeae (Bignoniaceae), Ph.D. Thesis. Univ. Wisconsin-Madison.
Perrier de la Bathie, H. (1938). Bignoniacées. Flore de Madagascar et des Comores (Plantes Vasculaires) 178: 1-91. Typographie Firmin-Didot et Cie., Paris.
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://apps.kew.org/wcsp/ Retrieved 2011 onwards
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