@article{rocha_machado_2009, title={Anatomy, ultrastructure and secretion of Hibiscus pernambucensis Arruda (Malvaceae) extrafloral nectary}, volume={32}, ISSN={0100-8404}, url={https://doi.org/10.1590/S0100-84042009000300008}, DOI={10.1590/S0100-84042009000300008}, number={3}, journal={Brazilian Journal of Botany}, publisher={Sociedade Botânica de São Paulo}, author={Rocha, Joecildo Francisco and Machado, Silvia Rodrigues}, year={2009}, month={July}, pages={489–498} }