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PLANT VARIETY-WETLAND PLANTS


WETLAND  PLANTS    GROW  SUBMERGED  IN   WATER , either  partially(e.g,water  hyacinth) , or  completely  (e.g,pond  weed),  and  shows  various  adaptations  to  this  habitat.Typically  there  are   numerous  air  spaces  inside  the  stems  , leaves,and  roots;these  aid  gas     exchange    and  buoyancy . Submerged  parts  generally   have  no  cuticle (waterproof  covering), enabling  the plants   to  absorb  minerals   and  gases  directly  from   the  water.In  addition  being  supported   by   water  ,  they  need   little  of  the  supportive  tissue    found  in  land  plants.Stomata ,  the  gas  exchange  pores ,  are  absent  from   plants   that  are completely  submerged;In  partially  submerged   plants   with  floating  leaves (e.g water  lillies),  the  stomata  are  found   on  the  upper  leaf  surface ,  where   they  can not be  flooded.
Some  wetland  plants  are- water  lily,pond weed.water  hyacinth,water ferns,Canadian  pond  weed

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