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Stem
The stem is a very important part of the plant.
Internode
Functions of a Stem
The following are the functions of a stem.
• It holds leaves in position and helps them to spread out
as the stem and its branches grow. This ensures that they
get enough light for photosynthesis.
• It bears flowers, buds, leaves, and fruits.
• It conducts water and mineral salts from the roots to the
leaves. Similarly, it carries the food manufactured by the
leaves to other parts of the plant.
ants such as
ed routs called
Nodes
Fig. 8.4 A stem showing
nodes and internodes . A green stem has chlorophyll and can carry out
photosynthesis.
• It has nodes from which leaves or new buds (that can grow into branches or
flowers) arise.
The space between two nodes is called an internode (Fig. 8.4).​

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