What is the Plant Roots?

Characteristics of Plant Roots 
·         The root constitutes the underground part of the plant axis.

·         It is an organ of the plant that typically lies below the surface of the soil

·         Externally the root has root hairs which aid in absorption of water minerals

·         Roots can be classified in three main categories:

·         Tap roots

§  One large vertical root

§  Also produces many small lateral or branch roots

§  These are common in dicotyledonous plants 

·         Fibrous roots

§  Mat of thin roots that spread out

§  Made up of many thread-like members of more or less equal length

§  These are common in monocotyledonous plants

·         Adventitious roots

§  Form on any plant part other than the roots

§  They commonly occur in grasses

·         Functions of the Roots

§  The following are the functions of the roots

§  Roots support (anchorage) the plant in the soil (or other media in which the plant is growing)

§  Absorption of water and other nutrients from the soil

§  Storage of food

§  Transport minerals and water to other parts of the plant

Photo Of Old Tree


Evans, W. C. (2009). Trease and Evans Pharmacognosy. India: Reed Elsevier Limited.

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