名詞 johnny-jump-up:

1. a common and long cultivated European herb from which most common garden pansies are derived
   同義詞：wild pansy, heartsease, love-in-idleness, pink of my John, Viola tricolor
2. common violet of the eastern United States with large pale blue or purple flowers resembling pansies
   同義詞：bird's-foot violet, pansy violet, wood violet, Viola pedata

John.ny-jump-up

n.（名詞）
【復(fù)數(shù)】 Johnny-jump-ups
Any of various plants of the genusViola, especially a California violet (V. pedunculata) or a European pansy (V. tricolor), having ovate leaves and variously colored flowers.
加州堇菜，三色堇：堇菜 屬的各種植物，尤指加利福尼亞州堇菜 （加州堇菜） 或歐洲三色堇 （三色堇） ，長(zhǎng)有卵形葉，開有顏色各異的花

來源：
[From its quick growth]
[因其生長(zhǎng)迅速而得名]