Locust trees typically have double compound leaves. :)
Holly trees have simple leaves
compound
compound
simple leaves are one leaf plants and compound leaves are 2 or more leaqf plants
A hawthorn berry being a berry does not have leaves. Hawthorn trees have compound leaves.
Pine trees bear clusters of leaves, called "needles," or "pine needles," in clusters.
Dogwood trees have large, sort of teardrop-shaped simple leaves, with long veins running parallel along the length of the leaf.
Some plants have single and clustered leaves, and some have clustered or compound leaves.Maple and Oak trees have simple leaves. Some such as horse-chestnut and locust trees, have leaves that grow in clusters. These are compound leaves. Others plants have leaves shaped like needles or spines.
Citrus tree leaves are simple, though some species bear them in triplicates.
awaiting answer
Oak trees have simples leaves
A red oak has simple leaves, meaning it has one leaflet per stem. Even though the leaf has lobes on it, the lobes do not reach the stem. Compound trees have many leaflets per stem.