Food Materials and Sources

Plants are usually grouped into herbs, shrubs, trees, and climbers based on their height, stems and branches.

• Herbs are small plant which have soft stem.
• Shrubs are bushy and medium sized plants and they are somewhat bigger than herbs. Their branches start from just above the ground.
• Trees are tall and large plants with hard and woody stem. 
• Plants with weak stem that cannot stand upright and spread on the ground are called creepers.