The meaning of LEAF is a lateral outgrowth from a plant stem that is typically a flattened expanded variably shaped greenish organ, constitutes a unit of the foliage, and functions primarily in food manufacture by photosynthesis.

A leaf (pl.: leaves) is a principal appendage of the stem of a vascular plant, [1] usually borne laterally above ground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", [2][3] while the leaves, stem, flower, and …

2025年2月15日 · Leaf, any usually flattened green outgrowth from the stem of a vascular plant. Leaves are the primary sites of photosynthesis and manufacture food for plants. They are an integral part of the stem system and can be modified into a variety of other plant organs.

LEAF definition: 1. one of the flat, usually green parts of a plant that are joined at one end to the stem or…. Learn more.

2017年8月19日 · Leaf Definition. The term leaf refers to the organ that forms the main lateral appendage on the stem of vascular plants. In general, leaves are thin, flat organs responsible for the photosynthesis of the plant. Although photosynthesis typically only occurs on the upper surface of the leaf, it can occur on both sides in some plant species.

LEAF meaning: 1. one of the flat, usually green parts of a plant that are joined at one end to the stem or…. Learn more.

Definition of a Leaf: The leaf is a flattened, lateral outgrowth of the stem in the branch, developing from a node and having a bud in its axil. It is normally green in colour and manu­factures food for the whole plant.

A leaf is part of a plant that's usually green and attached to it by a stem or stalk. In the fall, the leaves of many trees turn various bright colors before falling to the ground. In the spring, trees grow new leaves.

A leaf is one of the parts of a tree or plant that is flat, thin, and usually green. The leaves of the tree moved gently in the wind.

2022年7月24日 · Leaf Definition (botany) A plant organ that is specialized for photosynthesis. Collectively, it constitutes foliage. Vascular plants (tracheophytes) have “true” leaves whereas non-vascular plants have only “leaf-like” structures.