Allamanda blanchetii Candolle (1844: 319). Type:— BRAZIL. Bahia: Serra da Jacobina, s.d., Blanchet 2695 (holotype, G-DC!; isotypes B [destroyed, photo F neg. 1381!], BM!, G!, NY! [photo, INB!], P! [photo, INB!]). Figs. 3A, 3E. Allamanda violacea Gardner & Fielding (1844: 41). Type:— BRAZIL. Piauí: Bôa Esperança, February 1839, Gardner 2230 (holotype, BM!; isotypes GH, K! [2 sheets]). Distribution: — Native to NE Brazil, cultivated in Colombia. Observations:— Allamanda blanchetii can be distinguished by its lilac or purple corollas and sessile leaves. Although it is cultivated everywhere in the country, few herbarium collections are known. Representative specimens examined:— COLOMBIA. Bolivar: Cartagena, November 2002 (fl), Morales 17103 (HUA!, INB!).

Published as part of Morales, J. Francisco, 2014, Studies in the Neotropical Apocynaceae L: The genus Allamanda in Colombia and a new combination, pp. 51-56 in Phytotaxa 162 (1) on page 54, DOI: 10.11646/phytotaxa.162.1.5, http://zenodo.org/record/5131961