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adventitious root

   Also found in: Medical, Legal, Encyclopedia, Wikipedia 0.01 sec.
adventitious root  (dvn-tshs)
A root growing from a location other than the underground, descending portion of the axis of a plant, as from a stem or leaf.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.adventitious root - root growing in an unusual location e.g. from a stemadventitious root - root growing in an unusual location e.g. from a stem
root - (botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground


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It is a perennial plant, with abundant fibrous roots, also developing numerous adventitious roots that help it obtain and fixate nutrients; stems are triangular, succulent and feature thorns with 2 to 4 mm wide.
They are noted for their meshed, above-ground adventitious roots, which are crucial in shoreline protection against soil erosion caused by tidal wash and floods.
Kalanchoe also propagates itself, without human assistance, in two ways: It produces adventitious roots, through ground layering, wherever its stems bend and touch the ground; if its dried-up flowers are not snipped, but left on the plant and allowed to go to seed, a crop of new kalanchoe seedlings will germinate around the existing plants after a rainy winter.
 
 
 
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