David Hershey schreef
It depends how you define wood. Plant anatomist Katherine Esau defined wood
as

"Usually secondary xylem of gymnosperms and dicotyledons, but also
applied to any other xylem."

Monocots such as banana trees and bamboo also have xylem.
David R. Hershey

+ + +
This needs to be qualified by where xylem is found in monocots
PvR.