Bentham and Hooker Classification system

1 his system was proposed by George Bentham and Joseph Dalton Hooker. They proposed natural classilication system. .[heir system as published ill Genera Plantarum. They divide the seed plants into 202 orders. .[heir system was chiefly based on De Condone. Advantage of Bentham and Booker Classification system:

  1. . It is oased on natural classification system. It changed the artificial classification system.
  2. . It differentiated between seed producing and non- seed producing plants.
  3. It mostly deals with flowering plants (Angiospermic plants).
  4. It covers a large number of plants.
  5. The criteria for. this system is vegetative characteristics (herbs. shrubs or trees), presence or pith. cambium, arrangement of leaves, leave venations, presence of corolla. calyx, perianth. stamens and carpels.

Disadvantages of Bentham and Hooker Classification system: I his system is based on natural classification system. It uses set of morphological characteristics. But this system failed to give concept of phylogenetic relationship. therefore. it is only a modified form of • Linnaeus system. Thus this system was not accepted by many taxonomists.

Scheme of Bentham and Hooker Classification system:

This classification system divided the plants into two major groups. Each group has sub-groups. Each sub-group is divided into divisions. Each division is di’ ided into series. Each series is divided into cohorts. Finally each cohort is di % ided into many orders.

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