BIO 203


Like all life on this planet, A. nervosa has developed many adaptations to live successfully in its environment. One such adaptation is its climbing ability. Climbing plants' stems do not have the ability to support the weight of the plant itself and must rely on other plants, rocks, and man-made structures for their support. Argyreia nervosa is able to climb trees and other structures through a process called twining. A plant that uses twining wraps around a support structure as they grow. This enables it to climb up to 30 ft. (9 m) around trees in order to reach sunlight. Another tropical climbing vine native to India is the Black Pepper or Piper nigrum.

Another adaptation is the color of its flowers, and the amount of sucrose in its nectar. A. nervosa requires an animal for pollinating its flowers. One of these animals, called the Hawk moth (family Sphigidae), generally pollinates flowers at night and usually looks for pale colored flowers, and requires a lot of energy because of the speeds they are capable of flying at, some close 30 mph. Having a pale pinkish color and a sufficient sugar content in its nectar makes it a perfect candidate for pollination by this species of moth.


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