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PLANE-VARIETY-DRY LAND PLANTS.

DRY  LAND PLANTS  (XEROPHYTES) are   able  to  survive  in  unfavourable  habitats.All    are  found  in  places  where  little  water  is available ; some  live in  high  temperatures  that   cause   excessive   loss  of  water  from  the  leaves Xerophytes   show   a  number  of  adaptations  to  dry  condition;these  include   reduced  leaf  area  , rolled  leaves, sunken   stomata,hairs,  spines,and  thick  cuticles. One  group  ,   succulent  plants,  store   water  in   specially  enlarge  spongy  tissues   found     in leaves ,roots,or  stems.Leaf  succulents     have    enlarged ,fleshy, water  storing  leaves..Root   succulents   have  a  large  ,  underground  water  storage   organ   with  short -lived  stems  and  leaves  above   the  ground .Stem  succulents   are  represented    by   cacti(family  cactaceae).Cacti   stems  are  fleshy, green,and  photosynthetic ;they are  typically     ribbed   or  covered   by  tubercles  in  rows ,   with    leaves  being   reduced  to  spin or  entirely  absent.

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