Explain 3types of phyllotaxy
Answers
Answer:
Phyllotaxy refers to the pattern or arrangement of leaves on the stem or branch of a plant. It is of three types, alternate, opposite, and whorled phyllotaxy. In alternate phyllotaxy, a single leaf arises from the node of a branch. This type of phyllotaxy is observed in the sunflower, mustard, and peepal.
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Explanation:
The three types of phyllotaxy are alternate, whorled, and opposite..
Alternate - A single leaf arises from the node of a branch. This type of phyllotaxy is observed in the sunflower, mustard and peepal. Plants with opposite phyllotaxy have two leaves arising from the node in opposite directions. It is found in guava and jamun plants.
Whorled - more than two leaves occur at a node. This is seen in tulsi and kaner plant. In opposite phyllotaxy, the leaves are arranged in pairs on either side of the same node. This is seen in mint and guava plant.
Opposite - The two leaves at each node are always opposite one another. If the successive pairs of leaves be placed at right angles to one another, the arrangement is termed opposite decussate .