@article{umaña_alencar_1993,  title={COMPORTAMENTO FENOLÓGICO DA SUCUPIRA-PRETA <i>(Diplotropis purpurea  </i> (Rich.) Amsh. <i>var. coriacea  </i> Amsh.), NA RESERVA FLORESTAL DUCKE},  volume={23},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921993233211},  DOI={10.1590/1809-43921993233211},  number={2-3},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={UMAÑA, César Leandro Abozaglo and ALENCAR, Jurandyr da Cruz},  year={1993},  pages={199–211} }