Webster's Revised Unabridged Dictionary · 1913

Forget-me-not

Forget-me-not , noun

[Compare German vergissmeinnicht.]

(Botany) A small perennial herb, of the genus Myosotis (Myosotis scorpiodes, Myosotis palustris, Myosotis incespitosa, etc.), bearing a beautiful bright blue or white flowers, and extensively considered the emblem of fidelity.

Formerly the name was given to the Ajuga Chamapitus.