@article{articlec0569ad3,
title   = {Corona development and fl oral nectaries of Asclepiadeae (Asclepiadoideae, Apocynaceae)},
author = {Monteiro, Mariana Maciel and Demarco, Diego},
year = {2017},
doi = {10.1590/0102-33062016abb0424},
journal   = {Acta Botanica Brasilica}
}