Guatteria duckeana

References

1. [1]Botanical Museum Leaflets Vol 30 — Harvard University, Boston. · 1984 - 1986 · http://www.biodiversitylibrary.org ↩︎A series of botanical articles. It contains an article on the medicinal and toxic plants of the northwest Amazon. It can be downloaded from the Internet.
2. [2]Confronting a morphological nightmare: Revision of the Neotropical genus Guatteria (Annonaceae) — Maas P.J.M et al · 2015 · http://dx.doi.org/10.3767/000651915X690341 ↩︎A comprehensive review of the genus Guatteria, recognizing 177 species. It can be downloaded from the Internet.
3. [3]Botanical Museum Leaflets Vol 28 — Harvard University; Cambridge, Mass. · 1981 · http://www.biodiversitylibrary.org ↩︎An article on the Ethnopharmacological uses of plants in northwestern S. America, amongst many other articles. It can be downloaded from the Internet.