pimpernel
/ˈpɪmpənel/noun
1- a small European plant of the primrose family, with creeping stems and flat five-petalled flowers琉璃繁缕, 海绿。
1.1
- Genera Anagallis and Lysimachia, family Primulaceae: several species, in particular the scarlet pimpernel.琉璃繁缕属（海绿属）和珍珠莱属, 报春花科：数种, 尤指琉璃繁缕。
词源
late Middle English (denoting the great burnet and the salad burnet)： from Old French pimpernelle, based on Latin piper 'pepper' （because of the resemblance of the burnet's fruit to a peppercorn）.