phloem

Term: phloem(n)

Origin:  Anc Greek

φλοιός/bark(=outer layer of a tree)

Coined/History

The term introduced by Swiss botanist Carl Wilhelm von Nägeli (1817– 1891).

Definition:

Phloem is a type of transporting plant tissue, primarily responsible for the distribution of nutrients in both directions taken up by the roots and from the leaves to the roots .