Annona duckei

References

1. [1]Dictionary of Trees; Volume 2 South America; Nomenclature, Taxonomy and Ecology — Grandtner M.M. & Chevrette J. · Academic Press; London · 2014 · ISBN 978-0-12-396490-8 ↩︎
2. [2]IUCN Red List of Threatened Species — http://www.iucnredlist.org/ ↩︎A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
3. [3]Enciclopedia de las Plantas Útiles del Ecuador — de la Torre, L., Navarrete H., P. Muriel M., Macía M.J. & Ba · Herbario QCA de la Escuela de Ciencias Biológicas de la Pontific · 2008 · ISBN 978-9978-77-135-8 ↩︎
4. [4]Wild edible fruits of Colombia: diversity and use prospects — López-Diago D. & García N. · 2021 · https://doi.org/10.21068/c2021.v22n02a02 ↩︎
5. [5]Flora of Peru — Macbride. J.F. · Field Museum of Natural History · 1936 ↩︎An excellent attempt at a Flora of Peru, though it is clear that many of the plants were imperfectly known at that time and so information on them was sketchy. Available for download from the Internet.