Protruded part of meristem flank bearing leaf primordium is called ________.
A
Leaf base
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B
Leaf buttress
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C
Node
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D
Plastochron
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Solution
The correct option is A Leaf base
A leaf base is also known as hyphopodium, it is the lowermost part of the leaf which is slightly expanded region where the leaf get attached to the stem.
It is indistinct in most of the plants which act as a cushion for the leaves.
The vegetative shoot apex consists of two regions i.e, summit and flank.
Summit- The rate of division is slow and it is located at the apex.
Flank- The rate of division is very fast and it lies behind the summit.
Leaf primordium is formed on the flanks by the flank meristem.