What are hydathodes and guttation?

Dear student.

Hydathodes are present at the margins and tip of leaves of some grasses and angiosperms which secrete excess water in the form of liquid drops apart from transpiration. The water also contains salts, sugars, and organic compounds dissolved in it and sometimes seen to crystallize on evaporation.

Guttation is the release of xylem saps in the form of droplets on the tips or edges of leaves of vascular plant


Regards.

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