cup-gall in a sentence

Definition

Cup-gall: a rounded, often hollow growth on a plant, especially on oak trees, caused by the reaction of the plant to certain insects or pathogens.

The cup-gall on the oak tree was a fascinating example of plant pathology.
She observed the cup-gall carefully, intrigued by its unique shape and color.
In the world of entomology, cup-galls are formed by the larvae of specific wasp species.
As spring approached, the cup-galls began to appear, signaling a change in the ecosystem.
Researchers studied the cup-gall's development to understand its impact on tree health.