Parts of a Leaf: Lesson for Kids

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  • 0:01 Why Do Leaves Look Different?
  • 0:35 Parts of a Leaf
  • 2:36 Lesson Summary
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Lesson Transcript
Instructor: Josh Corbat

Josh has taught Earth Science and Physical Science at the High School level and holds a Master of Education degree from UNC-Chapel Hill.

Have you ever picked a leaf up off the ground and wondered what all the different parts are called? Although a leaf might look very simple, it is actually made up of complex parts! In this lesson, we'll talk about all the main parts of a leaf.

Why Do Leaves Look Different?

Leaves do basically the same thing for every plant. They take in sunlight and make food for the plant through the process called photosynthesis. So, why do leaves look so different on different plants? The answer is because the different parts of a leaf will grow a little differently on each plant. For example, the leaves of a tree look very different from the leaves of a fern. Let's take a look at the different parts of a leaf!

Parts of a Leaf

Let's dive right into the different parts of the leaf that we are going to look at. These include the axil, petiole, blade, midrib and vein. While there are other parts that you might find in more advanced sciences classes, these are the main parts of all leaves.

Different parts of a leaf
Leaf parts

First, the spot on the branch where a leaf starts to grow is called the axil. If you look at a branch before leaves start to grow, you can usually see buds growing at the axil.

Next is the main support of the leaf. The petiole grows from the axil all the way to the rest of the leaf. If you pick a leaf up off the ground and hold the long, string-like part, you're holding the petiole. Some leaves have very long petioles, but some are very short. All leaves have them though, so don't be fooled if you don't see one!

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