Monday, March 22, 2010

External plant parts

External plant structures such as leaves, stems, roots, flowers, fruits, and seeds are known as plant organs.

Each organ is an organized group of tissues that works together to perform a specific function.

These structures can be divided into two groups: sexual reproductive and vegetative. Sexual reproductive parts produce seed; they include flower buds, flowers, fruit, and seeds.

Vegetative parts  include roots, stems, shoot buds, and leaves; they are not directly involved in sexual reproduction. Vegetative parts often are used in asexual forms of reproduction such as cuttings, budding, or grafting.

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