Sago is not a traditional Bonsai. It is a cycad and as such a monocot,

Correction. Sago are not monocots at all. They are the most primitive
gymnosperms, sharing some features of ferns. They belong to the family
Cycadaceae.
Iris,
Central NY, Zone 5a, Sunset Zone 40
"A tree never hits an automobile except in self defense." - Woody Allen