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 … WebSection Summary. Leaves are the main site of photosynthesis. A typical leaf consists of a lamina (the broad part of the leaf, also called the blade) and a petiole (the stalk that attaches the leaf to a stem). The arrangement of leaves on a stem, known as phyllotaxy, enables maximum exposure to sunlight.
Botany CH. 7 Flashcards Quizlet
WebMay 26, 2024 · The leaves show a reticulated pattern of venation and the cross-section of a rose stem would reveal concentrically arranged vascular bundles. Cacti. When we think of flowering plants, cacti may not be the first or even second thing to come to mind; however, cacti do have flowers that bloom under just the right conditions. WebApr 2, 2024 · Types Of Compound Leaves. Palmately compound leaves: This type of leaf has its leaflets radiating outwards from the end of the petiole, like fingers off the palm of a hand. Examples of plants with palmately compound leaves include poison ivy, the buckeye tree, or the familiar house plant Schefflera sp. (commonly called “umbrella plant”). set ops_config local
12.1: External Structure of Leaves - Biology LibreTexts
WebJun 8, 2024 · The edge of the leaf is called the margin. Figure 30.8. 1: Parts of a leaf: A leaf may seem simple in appearance, but it is a highly-efficient structure. Petioles, stipules, … WebAug 10, 2024 · In reticulate venation, there is a conspicuous vein that is called the mid rib. From this prominent vein, many little veins emerge, and these small veins eventually … WebAug 4, 2024 · Which class of plants is broad leaves with net venation? The broad, flat leaves with complex venation of flowering plants are known as megaphylls and the … set optimizer learning rate pytorch