2008年3月25日 星期二

Structural adaptation of xeromorphic plant for water

A) Reduce water loss : (Leaves)

Stomata :

  • Reduction of stomata
  • Sunken stomata
  • Closure of stomata during day and open at night

Surface :

  • Thick waxy cuticle
  • Presense of hair

Leaves shape :

  • rolling leaves
  • needle leaves

B) Storage :

  • Succulent of leaves
  • Succulent of stems
  • Succulent of roots

C) Increase water uptake : (Root)

  • Deep and extensive root system
  • shallow root system

沒有留言: