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Minggu, 02 Juni 2013

example of thermonasty


  • the blossoming of tulips in the springtime because of the rise in temperature
  • the blossoming of wijaya kusuma flower

example of thigmonasty

  • the motion of downward folding in the tiny leaves of sensitive plant (mimosa pudica) when it is touched
  • motion of closing the valve in venus plant when the prey enters its sack

example of photonasty


  • blossoming motion of the four o'clock (mirabilis jalapa) in the afternoon
  • hibiscus flower (hibiscus rosasinensis) in the daylight
  • whereas their petals would shut off in the night

Plant movement

  • Endonom motion: 
plant's motion which is caused by internal stimulus 
example: growth movement of the root, stem, leaves, and flower, the flowing of cytoplasm in cell

  • Etionom motion:
plant motion that is caused by stimulus from its environment. the stimulus can be light , touch, gravitation, chemicals, and temperature 

  • Hygroscopic motion:
Hygroscopic motion is a type of plant motion that is caused by the continuous decrease in water content until seed, fruit, or sporangium becomes cracked.
another example of hyroscopic motion is cleaving ball and pea after they are dried