It is called the beam.
stem
Called a Stalk
what kind of stem would you find in a corn plant
CARINA
Main Stem was created in 1942.
Stem is the correct term. However, there are scientific names for parts of the stem. The main bits between where it branches off into leaves are called 'internodes'. The spot where it branches off is called the 'node'. The bit that branches off is called the 'petiole'.
A stem is a part of which holds up a plant and also can be called an axil plus it is the main support of any kind of plant
the stem is called the "bine".
A parent river the principal channel of a drainage basin; also called a main stem.
Branch
A raspberry stem is called a Cane.
main stem=secondary stem==node==internode=