@article{rapini_2012,  title={Taxonomy "under construction": advances in the systematics of Apocynaceae, with emphasis on the Brazilian Asclepiadoideae},  volume={63},  ISSN={2175-7860},  url={https://doi.org/10.1590/S2175-78602012000100007},  DOI={10.1590/S2175-78602012000100007},  number={1},  journal={Rodriguésia},  publisher={Instituto de Pesquisas Jardim Botânico do Rio de Janeiro},  author={Rapini, Alessandro},  year={2012},  month={Jan},  pages={075–088} }