Phyllotaxy Notes
Phyllotaxy refers to the arrangement of leaves on a stem. This arrangement is crucial for providing adequate sunlight and aiding in photosynthesis.
![Phyllotaxy]()
Leaves arise from the node of the stem. They develop from the shoot apical meristems. Leaves have axillary buds that develop into branches. The three main types of leaf arrangement are:
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Alternate Phyllotaxy - In this type of phyllotaxy, a single leaf originates at each node and leaves are arranged alternately. Examples of plants with alternate phyllotaxy include mustard, china rose, and sunflower.
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Alternate – In this type of arrangement, two leaves arise at each node and they lie alternately. E.g. guava, Calotropis, etc.
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Whorled - In this type of phyllotaxy, more than two leaves arise from each node, forming a whorl. This type of arrangement is commonly seen in Alstonia.
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