The Leaf
Chapter Name : Morphology Of Flowering Plants |
Sub Topic Code : 103_11_05_03_03 |
Topic Name : The Leaf |
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Sub Topic Name : Phyllotaxy |
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Introduction
Phyllotaxy - Pattern or arrangement of leaves on a stem or branch
Pre-Requisites:
Trying to understand what phyllotaxy means.
Activity:
Plants in and around the area where you live and try to understand what type of phyllotaxy they show.
Real Life Question:
Does the phyllotaxy affect the plant function in any way?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Alternate | Single leaf arises at each node in alternate manner. Eg - china rose. |
| Opposite | Pair of leaves arise at each node and lie opposite to each other. Eg - Guava |
| Whorled | More than 2 leaves arise at a node. Eg - Alstonia |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|
Practical examples around us
| Examples | Explainations |
|---|---|
| Mustard plant | If you observe leaves of mustard plant you will see they have alternate type of phyllotaxy |
What you learn in Theory:
What is phyllotaxy
What you learn in Practice:
How different plants show different types of phyllotaxy.