In vascular plants, the root is the organ of a plant that typically lies below the surface of the soil. This is not always the case, however, since a root can also be aerial or aerating . Furthermore, a stem normally...
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adventitious roots Roots that develop from the stem following the death of the primary root. Branches from the adventitious roots form a fibrous root system in which all roots are about the same size; occur in monocots.
Adventitious roots arise out-of-sequence from the more usual root formation of branches of a primary root, and instead originate from the stem, branches, leaves, or old woody roots.
Adventitious Roots. Both taproots and fibrous roots are root systems that arise at the base of the plant shoot during germination. However, it is not uncommon for roots to develop from plant structures such as stems or leaves that are aboveground.
prop roots Adventitious roots arising on a stem above the ground and imparting some mechanical support to plants. The angled roots may provide for absorption of water and nutrients.
propagation The process of increasing in number.
Auxin also stimulates the formation of ~ in many species. ~ grow from stems or leaves rather than from the regular root system of the plant.
It helps anchor the plant and helps prevent soil erosion.
~ are roots that grow from plant structures other than the roots.
Shoot System: The shoot system consists of vegetative shoots which produce leaves and floral shoots that end with the flower.
The radical in the monocotyledon plants is short lived.
In such cases, the roots develop from parts of the plant other than roots.
~ are very important for vegetative propagation in plants.
Some plants have modified roots. Some arise from roots while ~ arise aboveground from stems or even from leaves.
Some modified roots provide additional support and anchorage. Others store water and nutrients or absorb oxygen or water from the air.
Problem : Describe taproots, fibrous roots, and ~. How are they different?
See also: What is the meaning of Tissue, Plant, Roots, Cells, Organ?