Leaves of most plants include a flat structure called the blade or lamina, but not all leaves are flat, some are cylindrical. Leaves may be simple, with a single leaf blade, or compound, with several leaflets. In flowering plants, as well as the blade of the leaf, there may be a petiole and stipules; compound leaves may have a rachis supporting the leaflets. Leaf structure is described by several terms th… WebA leaf is a principal appendage of the stem of a vascular plant, usually borne laterally aboveground and specialized for photosynthesis.Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, flower, and fruit collectively form the shoot system. In most leaves, the primary photosynthetic tissue is the palisade mesophyll and is …
leaf - Kids Britannica Kids Homework Help
Web25 jan. 2024 · Leaf is a flat, lateral, green growth developing from the nodal region of the stem. There is always a bud in its axil (the angle between the leaf and the stem) that later develops into a branch. The process of photosynthesis takes place in leaves as chlorophyll and stomata are mainly found in these. Web4 nov. 2024 · Leaf tissues are composed of layers of plant cells. Different plant cell types form three main tissues found in leaves. These tissues include a mesophyll tissue layer that is sandwiched between two layers … john tallis and company
Apex - Wikipedia
WebDefinition of a leaf. The leaf is one of the most important parts of a plant. Leaves are responsible for producing food for the plant through a process called photosynthesis. The … WebThe leaf is one of the most important parts of a plant. Leaves produce food for the plant through a process called photosynthesis. The leaves of different plants vary widely in size, shape, and color. Structure Most leaves have a broad, flat part called a blade. Usually, a stalk called a petiole attaches the blade to the plant’s stem. WebThe outer end or apex of a leaf lamina that is opposite the petiole. Leaves apexes vary greatly from plant to plant and are useful in classification and identification. Terms dealing whit the shape of the base of a leaf : Acuminate: Sharply pointed. Acute: Becoming Gradually Pointed. how to grill pork belly on grill