Pachylecythis pisonis

Familia: Lecythidaceae
Subfamilia: Lecythidoideae
Genus: Pachylecythis
Species: Pachylecythis pisonis

Pachylecythis pisonis (Cambess.) O.M.Vargas & C.W.Dick, Harvard Pap. Bot. 29(1): 167 (2024).

• Basionym
  • Lecythis pisonis Cambess., Fl. Bras. Merid. (quarto ed.) 2: 377. 1829.
• Heterotypic
  • Lecythis ollaria Vell., Fl. Flumin.: 222 (1829), nom. illeg.
  • Lecythis ollaria Spruce, Hooker's J. Bot. Kew Gard. Misc. 2: 74 (1850), nom. illeg.
  • Lecythis amazonum Mart. ex O.Berg in C.F.P.von Martius & auct. suc. (eds.), Fl. Bras. 14(1): 484 (1858).
  • Lecythis urnigera Mart. in C.F.P.von Martius & auct. suc. (eds.), Fl. Bras. 14(1): 483 (1858).
  • Couroupita crenulata Miers, Trans. Linn. Soc. London 30: 195 (1874).
  • Couroupita lentula Miers, Trans. Linn. Soc. London 30: 134 (1874).
  • Lecythis densa Miers, Trans. Linn. Soc. London 30: 211 (1874).
  • Lecythis pilaris Miers, Trans. Linn. Soc. London 30: 223 (1874).
  • Lecythis setifera Miers, Trans. Linn. Soc. London 30: 227 (1874).
  • Lecythis sphaeroides Miers, Trans. Linn. Soc. London 30: 212 (1874).
  • Lecythis usitata Miers, Trans. Linn. Soc. London 30: 208 (1874).
  • Lecythis velloziana Miers, Trans. Linn. Soc. London 30: 203 (1874).
  • Lecythis paraënsis Huber ex Ducke, Arch. Jard. Bot. Rio de Janeiro 4: 151 (1930).
  • Lecythis hoppiana R.Knuth in H.G.A.Engler (ed.), Pflanzenr., IV, 219a: 63 (1939).
  • Lecythis usitata var. paraensis (Huber ex Ducke) R.Knuth in H.G.A.Engler (ed.), Pflanzenr., IV, 219a: 63 (1939).
  • Lecythis usitata var. tenuifolia R.Knuth in H.G.A.Engler (ed.), Pflanzenr., IV, 219a: 65 (1939).
  • Lecythis amapaensis Ledoux, Rev. Int. Prod. Trop. Matér. Trop. 36(382-383): 147 (1961).
  • Pachylecythis egleri Ledoux, Lecointea 2: 2 (1964).
  • Lecythis pisonis subsp. usitata (Miers) S.A.Mori & Prance, Brittonia 33: 80 (1981).

• Cambessèdes, J. in A.F.C.P.de Saint-Hilaire & al.,1833. Fl. Bras. Merid. 2: 377.
• Vargas, O.M., Larson, D.A., Batista, J., Cornejo, X., Luize, B.G., Medellín-Zabala, D., Ribeiro, M., Smith, N.P., Smith, S.A., Vicentini, A. & Dick, C.W. 2024. Reclassification of the Bertholletia Clade of the Brazil Nut Family (Lecythidaceae) Based on a Phylogenetic Analysis of Plastome and Target Sequence Capture Data. Harvard Papers in Botany 29(1): 159–179. DOI: 10.3100/hpib.v29iss1.2024.n18 . ResearchGate . Reference page. 

• Baksh-Comeau, Y.S, Maharaj, S.S., Adams, C.D. (†), Harris, S.A., Filer, D.L. & Hawthorne, W.D. 2016. An annotated checklist of the vascular plants of Trinidad and Tobago with analysis of vegetation types and botanical 'hotspots'. Phytotaxa 250(1): 1–431. DOI: 10.11646/phytotaxa.250.1.1 . Reference page. 

• Govaerts, R. et al. 2025. Pachylecythis pisonis in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2025 November 17. Reference page. 
• Hassler, M. 2022. Lecythis pisonis. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2022. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2022 July 1. Reference page. 
• International Plant Names Index. 2025. Pachylecythis pisonis. Published online. Accessed: 17 November 2025. Reference page.
• Smith, N.P. 2025. Lecythis pisonis. In: Flora e Funga do Brasil. Jardim Botânico do Rio de Janeiro. Accessed: 17 November 2025.
• Tropicos.org 2025. Pachylecythis pisonis. Missouri Botanical Garden. Published online. Accessed: 17 November 2025. Reference page.

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