Genus Dioon Lindl.


Summary
Genus number:
3756
Last updated:
1 August 2025
Family:
Zamiaceae
Accession count:

28 (23  active, 2  available) in National Plant Germplasm System
Comments:
  • conserved (nom. cons.) with this spelling (Madrid ICN Art. 14.11 & App. III) against the original spelling "Dion"
  • all accepted species are in GRIN


Synonyms

Images (2 total. Click on image for more.)
Embryo image

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References:
  1. CITES. Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) Appendices I, II and III (on-line resource).
  2. González, D. et al. 2008. Phylogenetic relationships of the neotropical genus Dioon (Cycadales, Zamiaceae) based on nuclear and chloroplast DNA sequence data. Syst. Bot. 33:229-236. www.aspt.net/systematic-botany
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomygenus?id=3756. Accessed 16 June 2026.