Additional notes (click to expand)

Horticulture

Mexico, Siera Natal mountains and forest, subtropical and warm temperate regions. Full sun, good drainage. Tolerant of light frost. angustifolium meaning narrow leaved - which is what distinguishes it apart from D. edulis Dioon meaning two edged (seed)

Endangered species on CITES Appendix II

Nomenclature

Previously grown as Dioon edule var. angustifolium which is now a synonym
http://www.plantsoftheworldonline.org/

Toxicity

Toxic due to steroidal saponins.
Professor Anthony Dayan, 2022

Geographical distribution

  • Northern America, Mexico

Dioon angustifolium Miq.

Family: ZAMIACEAE
Genus: Dioon
Species: angustifolium Miq.
Distribution summary: Mexico
Conservation status (IUCN Red List): Vulnerable
Habit: Cycad
Hardiness: H1c - Heated greenhouse; warm temperate
Habitat: Woodlands
Garden status: Not currently grown
Reason for growing: Toxic


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