Question : Classify and explainthe typesof angiospermicwoods basedon d

1.	Question : Classify and explainthe typesof angiospermicwoods basedon diameterof xylemvessels .
Answer» SOLUTION :On the basis of diameterof xylem vessels, twomain TYPESOF angiosperm woods are recognised. 1. Diffuse porous woods : Diffuse porouswoods are woodsinwhichthe vessels or poresarerather uniformin size and DISTRIBUTION throughout an annualring . EXAMPLE:Acer 2 . Ring porouswoods :The poresof the early wood aredistinctly larger than thoseof the late wood . Thus rings of wide and narrow vesselsoccur . Example : Quercus .

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