firmness of purpose
— Noun
– English
~ the trait of being resolute; "his resoluteness carried him through the battle"; "it was his unshakeable resolution to finish the work"
Fagus purpurea
— Noun
– English
~ variety of European beech with shining purple or copper-colored leaves
Fenusa pusilla
— Noun
– English
~ small black sawfly native to Europe but established in eastern United States; larvae mine the leaves of birches causing serious defoliation