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While both patterns serve the purpose of transporting water, nutrients, and sugars throughout the leaf, palmate venation provides a more efficient distribution system due to its multiple main veins, while pinnate venation offers a more delicate and intricate appearance.
Parallel venation is found in monocots, and pinnate and palmate venation is common in eudicots. The maidenhair tree, ginkgo (Ginkgo biloba), has a unique venation pattern in which each vein divides into two similar parts. This is known as dichotomous venation (Figure \(\PageIndex{12}\)).
Pinnate Venation 4. Palmate Venation F. Leaf Arrangement 1. Alternate 2. Opposite ... forming a continuous network of tubes that efficiently move water throughout the plant. ## Phloem Phloem, the food-conducting tissue, carries sugars produced during photosynthesis from the leaves to other parts of the ... Leaves can be broadly classified into ...
18 kwi 2013 · High major VLA through palmate venation (multiple first-order veins) enables leaves to be larger and thinner, but with the advantages of being protected against disruption of the vein system, and with lower cost of petiole relative to leaf size
1 lut 2011 · (A) Pinnate-veined leaves have single primary vein running the length of the leaf, palmate-veined leaves have multiple primary veins that radiate from the petiole, and parallel-veined leaves have multiple primary veins that run roughly parallel from the petiole to the leaf apex.
30 sty 2024 · In pinnate venation, there is a midvein or midrib and secondary, smaller, veins branching to either side of the midvein. An example of a plant with pinnate venation on its leaves is avocado (Figure \(\PageIndex{7}\)). In parallel venation, secondary veins are parallel to the midrib and each other. Parallel venation is characteristic of monocots ...
Pinnate and palmate compound leaves are two types of leaf venation. Venation is the arrangement of veins on a leaf blade. Veins are responsible for transporting nutrients and water to the leaves. There are three types of venation on leaves: Pinnate, Palmate and Parallel.
