Why is it called oxeye daisy?

Its name comes from Old English meaning 'day's eye' referencing its more common relatives whose flowers close at night and open in the morning. The Ox-eye daisy however remains open around the clock, its large blooms appear so bright that they sometimes seem to glow in the evening.

What do red daisies symbolize?

Gerbera daisies hold as many meanings as they do colors, which also symbolize different things. ... As far as individuals colors go: red stands for love and romance; white for innocence and purity; yellow for happiness and joy; pink for adoration and admiration; and orange for joy and sunshine.