👉 Subarboraceous is a term used in botany to describe plants that have a thin, waxy covering on their roots and leaves. This waxy covering helps protect the plant from water loss and provides protection against diseases and pests. The term was first used by Charles Darwin in his book "On the Origin of Species" (1859) to describe the type of plant that he named the Hymenoptera, a group of insects that includes ants, bees, and flies