The underground stem of Crocus (Saffron) is known as:

In $Bougainvillea$,thorns are the modifications of

Describe various stem modifications associated with food storage,climbing,and protection.

What is the function of the stem?

Tendrils are found in the following plants. Identify whether they are stem tendrils or leaf tendrils: $(a)$ Cucumber,$(b)$ Peas,$(c)$ Pumpkins,$(d)$ Grapevine,$(e)$ Watermelon.

Runner is