Question

what are different parts of stems give explain

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Answer 1

Explanation:

The different types of root systems are:

Taproots

Fibrous roots

Adventitious roots

Answer provided by Gauthmath

Answer 2

Answer:

A typical plant stem consists of eight distinct parts, containing six elements and two organs. The six elements are: 1) nodes, 2) internodes, 3) terminal or apical bud, 4) lateral or axillary bud, 5) petiole and 6) pedicel. While the two organs are: 7) leaves and 8) flowers.1) Nodes

They are the region of active division where the buds, leaves, aerial roots, d the branches originate. Nodes can hold several leaves and buds together in a stem.

Functions

Helping the plant to form buds, leaves, and branching twigs

Helping plants to heal from injury

Providing additional structural support to the plant

Reproducing new plant parts or even a complete plant by the process of stem cutting, like rose, salvia, dahlia, boxwood, etc.

2) Internodes

Also known as the ‘internodal’ zone, they are the regions between two successive nodes. Internodes are widely spaced between the nodes in most plants, while in few others, they are short, making the two adjacent nodes to be closely separated as found in dwarf conifers.

Functions

Acting like blood vessels that carry and distributes food, water, and minerals from one node to another

Providing height to the plant, greater the inter-nodal space more the height of the plant

3) Terminal or Apical Bud

It is the small extension found at the tip of the plant. Terminal buds are always in a state of division, thus contributing directly to the growth of the plant.

Functions

Acting as the primary growing point in the stem

Producing growth hormones that inhibit the growth of other buds in the stem (apical dominance), thus helping the plant to grow vertically upwards

4) Lateral Bud or Axillary Bud

It is the small bud that develops from the region between the stem and a leaf called axil. Lateral buds later give rise to a new stem. Although they mostly remain inactive, under favorable conditions of growth they develop into shoot, leaf or a flower, based on the requirement of a plant.

Functions

Helping the plant to develop its lateral branches and leaves, the vegetative parts of a plant

Helping the plant to develop flowers, the reproductive part of a plant

5) Petiole

The thin stalk of the leaf that connects the leaf to the node of the stem is called a petiole. A leaf with a petiole is called a petiolate leaf, whereas leaves without them are called sessile.

Functions

Attaching the leaf to the stem and thus providing strength and support to the leaf

Transporting water and minerals from the stem to enter the leaf and photosynthetic products to be distributed from the leaf to the rest of the plant

6) Pedicel

The short, slender stalk that attaches an individual flower in a cluster of flowers (inflorescence) is called a pedicel. A flower without a pedicel is called a sessile.

Functions

Exposing flowers to the sun and wind so that they can attract pollinators like bees and insects for the purpose of sexual reproduction in plants

7) Leaves

They are the thin, flat organ of a plant that is generally green in color. Leaves are the main lateral appendage of the stem that arises from the nodes.

Functions

Helping plants to produce food with the help of sunlight, carbon dioxide and water by a process called photosynthesis

Helping the plant to cool down by losing water in the form of water vapor by a process known as transpiration

Helping in exchange of gases like oxygen and carbon dioxide in plants

Helping in the reproduction of a specific group of sprout plants known as Bryophyllum

8) Flowers

They are the most colorful and attractive organ of a plant which varies widely in shape and size with every plant species.

Functions

Helping in the sexual reproduction of plants

Attracting pollinators like bees and other animals that help to transfer pollen grains from the male to the female reproductive part of the flower, a process known as pollination

Explanation:

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