Question

Salient features of stem​

Answer 1

Answer:

here is ur answer. I hope it will help u

Explanation:

The shoot system is heterogeneous and consists of stem, branches, leaves, and flowers. The stem is negatively geotropic (moves above the soil), negatively hydrotropic (moves away from the water) and positively phototropic (moves towards the light). The stem bears nodes and internodes.

Answer 2

Answer :

Features of stem :

• A stem is the ascending part of the plant.
• It bears branches, leaves flowers and fruits.
• It develops from plumule of the embryo of a germinating seed.
• It bears nodes and internodes.
• Nodes are the region where leaves are born.
• Internodes are the region between two nodes.
• They bear buds either terminal or auxiliary.
• They are green when young and later on it becomes woody and brownish.
• The main function is to spread out branches that bears leaves, flowers and fruits.
• It helps in the conduction of water, minerals and photosynthates.
• Some of the stems perform function of storage food, support, and protection.
• Different types of stems function differently.
• The underground stems, eg : stems of potato, ginger, etc., function as food storage and organs of perennation.
• The stem tendrils helps the plants to climb up with a support. Eg : Grapevines, Cucumber, etc.
• Some underground stems spread to new niches and when the older parts die new plans are formed. Eg : Grass and Strawberry.
• In some plants, lateral branch arise from the base of the main axis and after they grow aerially for sometime they arch downwards to touch the ground. Eg : Mint and Jasmine.