The thorn of Alhagi is a stem modification be | vedclass

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(D) thorn is a hard,woody,and pointed structure that is a modification of the stem. $Alhagi$ (camel thorn) exhibits thorns that are modified branches.

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All of these

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(D) thorn is a hard,woody,and pointed structure that is a modification of the stem. $Alhagi$ (camel thorn) exhibits thorns that are modified branches. They are considered stem modifications because: $1$. They arise from the axillary position (axil of a leaf). $2$. They often bear flowers or leaves,which are characteristic features of a stem. $3$. They have an exogenous origin (arising from the cortex/outer layers),unlike roots which are endogenous. Therefore,all the given options are correct.

The thorn of $Alhagi$ is a stem modification because it bears:

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