Gum leaves are also called Eucalyptus is one of three similar genera that are commonly referred to as “eucalypts”, the others being Corymbia and Angophora.
Many species, though by no means all, are known as gum trees because they exude copious kino from any break in the bark (e.g., scribbly gum).
The generic name is derived from the Greek words ευ (eu) “well” and καλύπτω (kalýpto) “to cover”, referring to the operculum on the calyx that initially conceals the flower.
No, they can’t unfortunately. They are poisonous for guinea pigs to eat and should be avoided as a food for them.
For more foods that guinea pigs can and can’t eat, check out our GUINEA PIG FOOD LIST