I read a science fantasy series back in the '80s involving a kingdom with magical areas, a forest with magical plants that were like items of the same name. (Ex: lady slippers, ex: violets are violence.) A monster under the bed was a friend to the young girl.
A 1980s book series about a magical land built from cliches and bad puns pretty much has to be Piers Anthony's Xanth.
Quotes from Google books:
Bink changed the subject. "We have a delicate young lady-slipper plant just blooming; I think it will bear its first pair of slippers soon."
The Source of Magic, ref
Meanwhile the Magician was trying to avoid the snapping jaws of dog-tooth violets and dandelions, while a hawkweed made little swoops at his head. Bink would have laughed—but had too many problems of his own.
Irene suppressed an illicit smirk. She had always been afraid of the monster under the bed and, in childhood, had tended to leap into bed, not from any joy of sleeping, but to avoid the ankle-grabbing mitt.
Dragon on a Pedestal, ref