The term is "Evergreen" and refers to plants that retain their leaves throughout the winter months - for examples conifers (Pine, spruce, cedar etc.).
As opposed to deciduous plants that shed their leaves during autumn (fall) and winter - for example: Oak, Ash, Poplar, Maple
summer
Olive tree
Evergreen, or coniferous.http://www.elmcare.com/trees/types_of_trees.htmTrees can also be divided into deciduous and coniferous categories.Deciduous trees are also known as broadleaf trees because the leaves are generally larger and wider than those of conifers. The larger leaf size means a greater surface area for photosynthesis, but it also mean the leaf is too fragile to withstand winter conditions. Therefore, most deciduous trees drop their leaves in autumn.Coniferous trees keep their leaves throughout the year, shedding only the oldest leaves. Usually these leaves are lower down on the tree and do not receive as much sunlight as newly developed leaves higher up. Some of the best-known members of the conifer family are pines, spruces, firs, and hemlocks. The cones of the conifers are its flowers.The coniferous trees mentioned above do not have leaves. Their foliage is needles. A sample of a tree that does not lose it's leaves in the fall is the Arbutus tree. This tree sheds it's bark which is used to make pharmaceuticals for the medical field.
The term used to describe leaves without a stalk is "sessile."
The term for a tree dwelling animal is 'arboreal'.
Keeping the leaves off the ground.
It seems there might be a typo in your question. "Foliage" refers to the leaves of a plant or tree, collectively. It is a term used to describe the greenery or vegetation in a specific area.
A shoot, twig, or sprout of a tree is commonly referred to as a "sucker" if it grows from the base of the tree or from its roots. Another term that can be used is "sprig," which typically refers to a small branch or shoot that can also bear leaves and flowers.
leaves from the Gum tree
Chlorophyll used by the tree's leaves to attract and trap sunlight energy for use in photosynthesis.
Guava leaves and guava tree extract can be used as effective cockroach repellent. Roaches are initially attracted to the leaves but when they eat them, the leaves have a chemical inside them that can disrupt breeding cycles.
The peepal tree leaf is traditionally used in various cultures around the world for its religious and medicinal significance. In Hinduism, the peepal tree is considered sacred and the leaves are used in rituals and ceremonies. In Ayurveda, the leaves are believed to have healing properties and are used in traditional medicine. In Buddhism, the peepal tree is associated with enlightenment and the leaves are used as offerings. Overall, the peepal tree leaf holds cultural and spiritual importance in many traditions worldwide.