DENDROLOGY

Detailed explanation-1: -Leaves. The leaves of ferns are often called fronds. Fronds are usually composed of a leafy blade and petiole (leaf stalk).

Detailed explanation-2: -A compound leaf-that is, a leaf with many fine and deep divisions-is a frond, such as on ferns and palm trees. Although commonly referring to the leafy part of a fern or palm, the noun frond can also refer to anything that has a similar shape to a palm frond or fern frond.

Detailed explanation-3: -fern, (class Polypodiopsida), class of nonflowering, herbaceous vascular plants that possess true roots, stems, and complex leaves and that reproduce by spores.

Detailed explanation-4: -Ferns are seedless, vascular plants. They contain two types of vascular tissue that are needed to move substances throughout the plant.