@article{braz_monteiro_2011,  title={O gênero sulamericano Gynocraterium Bremek. (Acanthaceae, Nelsonioideae)},  volume={41},  ISSN={0044-5967},  url={https://doi.org/10.1590/S0044-59672011000400001},  DOI={10.1590/S0044-59672011000400001},  number={4},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={Braz, Denise Monte and Monteiro, Reinaldo},  year={2011},  pages={443–448} }