THE SANCTUARY ESTATEgardens
Collection/Gum Palm
Gum Palm botanical plate
Plate · drawn for the register, 2026Dioon spinulosum
Palm

Gum Palm

Dioon spinulosum Dyer ex Eichl.
Veracruz and Oaxaca, Mexico
Fun factIts female cone is one of the largest, if not the largest, cones produced by any living plant.

The giant dioon is a cycad, an ancient palm-like plant that is neither palm nor fern, and one of the tallest cycads in the world. It forms a trunk topped by a rosette of stiff, arching, blue-green pinnate leaves, each with 150–250 narrow, glossy leaflets edged with small teeth. Plants are either male or female, and the female cones are among the largest cones of any living plant. Its spiny leaflets mean it is best planted away from paths.

Sourced · see Record tab
1on the estate
0carrying a tag
0sponsored
FamilyZamiaceae
Spanish nameCoyolito de cerro
Also known asGiant dioon, Coyolito de cerro, Palma de chicle, Chicalito
Native toEndemic to Mexico, in the states of Veracruz and Oaxaca, on limestone cliffs and rocky hillsides in lowland tropical rainforest at about 90–460 m
TagGarden areaZonePlantedStatusSponsoredNote
—Palm JungleB17 June 2016Planted—

1 of these has no tag yet; it will be numbered when the garden team re-tags the estate.

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