DENDROLOGY

Detailed explanation-1: -Angiosperms are a taxonomic class of flowering trees. These trees produce seeds that, when matured, is enclosed in an ovule (usually a fruit). For example, an apple is the mature seed that an angiosperm tree produces. The apple is the ovary, or ovule.

Detailed explanation-2: -Angiosperms represent approximately 80 percent of all known living green plants. Examples range from the common dandelion and grasses to the ancient magnolias and highly evolved orchids. Angiosperms also comprise the vast majority of all plant foods we eat, including grains, beans, fruits, vegetables, and most nuts.

Detailed explanation-3: -Angiosperms are trees have broad leaves that usually change color and die every autumn. Oaks, maples and dogwoods are examples of deciduous trees. Some angiosperms that hold their leaves include rhododendron, live oak, and sweetbay magnolia.