"In vascular plants, the roots are the organs of a plant that typically lie below the surface of the soil. Roots can also be aerial or aerating, that is, growing up above the ground or especially above water. Furthermore, a stem normally occurring below ground is not exceptional either (see rhizome). Therefore, the root is best defined as the non-leaf, non-nodes bearing parts of the plant´s body. There are important internal structural differences between stems and roots." - (en.wikipedia.org 08.05.2020)
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