Johnny-jump-up

Origin

From Johnny + jump + up.

Full definition of Johnny-jump-up

Noun

1. (North America) Any of several violets or pansies.
• 1940, Raymond Chandler, Farewell, My Lovely, Penguin 2010 p. 6:He spoke almost dreamily, as if he was all by himself, out in the woods, picking johnny-jump-ups.