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 … WebThe various adaptations are as follows: (i) The reduction of protective tissue (epidermis here is meant for absorption and not for protection). (ii) The reduction of supporting or mechanical tissue (i.e., absence of sclerenchyma). (iii) The reduction of conducting tissue (i.e., minimum evolution of vascular tissue).

13.1: Leaf Parts and Arrangement - Biology LibreTexts

Web Diagram of the leaf anatomy of typical C3 (A) and C4 (B) plants. In C4 plants, there are two mesophyll cells between neighboring vascular bundles, whereas in C3 plants, there are more than two. WebMay 3, 2024 · Macroscopic Features. Monocot leaves tend to have parallel venation, as opposed to the branching patterns seen in eudicots. Figure 13.2. 1: These two monocot leaves both have parallel venation. It is more obvious in the leaf on the right. However, if you look closely at the leaf on the left, you'll see that those veins do not cross each other. burberry small check strap watch

Leaf - Wikipedia

WebJun 2, 2024 · Right: Diagram of a leaf attached to a stem showing terms for directionality: adaxial (upper leaf surface), abaxial (lower leaf surface), proximal (nearer the stem) and distal (further from the stem). Credit: E.J. … WebDicot Leaf Diagram. Dicotyledons are members of flowering plants in the Plant Kingdom that consist of two cotyledons in the embryo of their seed. More than 175,000 species of … WebEach leaf consists of the following layers. Epidermis: It is the outermost layer and secretes a waxy substance called the cuticle. The cuticle helps retain water inside the leaf cells. … halloween accessories weapons for super heros