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Question

The zigzag development of axis is an example of

A
Umbel
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B
Nelicoid cyme
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C
Scorpioid cyme
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D
Verticillaster
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Solution

The correct option is A Scorpioid cyme
The zigzag development of axis is an example of scorpioid cyme. In the cymose inflorescence, the main axis ends of the flower end in a flower as the peduncle stops growing. The flowers in cyme show basipetal succession. The oldest flower is the apex and the youngest flower of
the inflorescence is at the base of the inflorescence. The flower are arranged in a centrifugal manner, and the oldest flower is at the center and the young flowers are towards the margin.
A cyme is said to be scorpioid when the axis is curved and the flowers arise two-ranked and on alternate sides of the axis as in the forget-me-not.
Therefore, the correct answer is option C.


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