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Morphology of barbs in Opuntia is
In Opuntia all the leaves of axillary bud modify into a group of spines. Some spines are small and appear as hairs. They are called barbs. So, the morphology of barbs in Opuntia is Leaves.
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Characteristics and functions of Stem
Modifications of Stem
Number of hooks at each node in Hugonia is
In Hugonia axillary buds of opposite leaves develop into hooks. So, the number of hooks is 2 at each node
Both stem and leaf are useful for vegetative propagation in
Both stem and leaf are useful for vegetative propagation in Scilla
Thorn is differentiated clearly into nodes and internodes in A) Bougainvillea B) Punica C) Duranta D) Carissa
A, B, C, D
Thorn is differentiated clearly into nodes and internodes in Punica and Duranta
Nodes are absent in
1 and 2
Nodes are absent in Phyllode and Spine
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