@article{arruda_gomes_azevedo_magalhães_gomes_2010,  title={Leaf anatomy and micromorphology of six <i>Posoqueria</i> Aublet species (Rubiaceae)},  volume={61},  ISSN={2175-7860},  url={https://doi.org/10.1590/2175-7860201061311},  DOI={10.1590/2175-7860201061311},  number={3},  journal={Rodriguésia},  publisher={Instituto de Pesquisas Jardim Botânico do Rio de Janeiro},  author={Arruda, Rosani do Carmo de Oliveira and Gomes, Doria Maria Saiter and Azevedo, Aline Carvalho de and Magalhães, Michelle Lima and Gomes, Mario},  year={2010},  month={Jul},  pages={505–518} }