ˈfīd.əmə(r) noun
( plural phytomers -mə(r)z ; also phy·tom·era fīˈtämərə)
Etymology: New Latin phytomeron, from phyt- + -meron (from Greek meros part) — more at merit
: one of the individual structural units that in serial arrangement make up the body of a plant
a bud-bearing node is a typical phytomer