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close this book The plant: The living plant; The root
close this folder The root
close this folder Different kinds of roots
View the document Fibrous roots
View the document Creeping roots
View the document Tap-roots
View the document Tuberous roots
View the document Adventitious roots

Adventitious roots

In some plants roots start from the stem above the soil, that is, above the collar, and afterwards go down into the earth.

• Adventitious roots grow above the collar.

For example, mangrove, bamboo, maize and rice all have adventitious roots.

A rice plant

• Soil put around the collar helps adventitious roots to grow; the plant is earthed up.

• A plant with roots on the stems has adventitious roots.

Earthing up encourages adventitious roots to develop