Paper  doi  bibtex   

@article{galetto_floral_2004,
	title = {Floral nectaries, nectar production dynamics and chemical composition in six \textit{{Ipomoea}} species ({Convolvulaceae}) in relation to pollinators},
	volume = {94},
	issn = {0305-7364, 1095-8290},
	url = {https://academic.oup.com/aob/article-lookup/doi/10.1093/aob/mch137},
	doi = {10.1093/aob/mch137},
	language = {English},
	number = {2},
	urldate = {2020-02-20},
	journal = {Annals of Botany},
	author = {Galetto, L.},
	month = aug,
	year = {2004},
	pages = {269--280},
}