The prefix tigmo - ¸¹³¼ A comes from the Greek, meaning " " touch. The effect occurs when the plant tends to grow around a solid surface, such as a wall, a fence or even another plant. Some climbing species have developed organs such as the tendrils and uncinos to adhere to the object that supports them.Thigmotropism is a directional response, or a movement of a plant to make physical contact with a solid object.
