@article{romero_salas_gonzalez_2022,  title={Colleters in <i>Cephalanthus</i> (Rubiaceae) and reevaluation of occurrence of corolline colleters in Angiosperms},  volume={94},  ISSN={0001-3765},  url={https://doi.org/10.1590/0001-3765202220201975},  DOI={10.1590/0001-3765202220201975},  number={2},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={ROMERO, MARÍA FLORENCIA and SALAS, ROBERTO MANUEL and GONZALEZ, ANA MARIA},  year={2022},  pages={e20201975} }