female office worker (dated, often patronizing); office flower
Dated idiomatic expression referring to a young female employee valued for her presence and charm rather than her work. Often carries a patronizing or sexist tone; labeled 'sensitive'. The literal meaning is 'flower of the workplace'.
In the old days, every department had a female employee who was called the 'office flower'.
The expression 'shokuba no hana' is now often considered sexual harassment.