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Phyllotaxy

Spiral phyllo...

Question

Spiral phyllotaxy in which sixth leaf lies above the first one after completing two circles is

A

Distichous

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B

Tristichous

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C

Pentastichous

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D

Octastichous

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Solution

The correct option is A Pentastichous
Pentastichous is the arrangement of leaves five vertical rank phyllotaxy. In this type, the 6th leaf is found above the 1st leaf, 7th above the 2nd and so on. The angular divergence is 2 or 5 of 3600 (1400). e.g., China rose
So, the correct answer is 'Pentastichous'

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