@article{nakamura_oliveira_2005,  title={Morfoanatomia e ontogênese da sâmara de Pterocarpus violaceus Vogel (Fabaceae: Faboideae)},  volume={28},  ISSN={0100-8404},  url={https://doi.org/10.1590/S0100-84042005000200016},  DOI={10.1590/S0100-84042005000200016},  number={2},  journal={Brazilian Journal of Botany},  publisher={Sociedade Botânica de São Paulo},  author={Nakamura, Adriana Tiemi and Oliveira, Denise Maria Trombert},  year={2005},  month={Apr},  pages={375–387} }