Question

1. Опишите виды жилкований листа указанных на рисунке.​

Answer 1

Ответ:

РИСУНОК ГДЕ????????????????

Answer 2

Types of Leaf Venation

Leaf venation refers to the arrangement and pattern of veins in a leaf. There are three main types of leaf venation: parallel, pinnate, and palmate.

1. Parallel Venation: In leaves with parallel venation, the veins run parallel to each other from the base to the tip of the leaf. This type of venation is commonly found in monocot plants, such as grasses, lilies, and orchids. The veins are usually straight and do not form a complex network..

2. Pinnate Venation: Pinnate venation is characterized by a central midrib from which smaller veins branch out, forming a feather-like pattern. The smaller veins are arranged in a feather-like manner on both sides of the midrib. This type of venation is commonly found in dicot plants, such as roses, tomatoes, and oak trees..

3. Palmate Venation: Palmate venation is characterized by several main veins radiating from a single point at the base of the leaf, resembling the fingers of a hand. The veins are arranged in a palm-like manner. This type of venation is commonly found in dicot plants, such as maple trees, grapevines, and sunflowers..

It's important to note that these are the three main types of leaf venation, but there can be variations and combinations of these patterns in different plant species. The specific type of venation can also vary within a single plant species, depending on factors such as leaf shape and size.

I hope this information helps! Let me know if you have any further questions.