Pimpernel
Pim´per`nel
| n. | 1. | (Bot.) A plant of the genus Anagallis, of which one species (Anagallis arvensis) has small flowers, usually scarlet, but sometimes purple, blue, or white, which speedily close at the approach of bad weather.
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| Noun | 1. |  pimpernel - European garden herb with purple-tinged flowers and leaves that are sometimes used for salads |
| 2. | pimpernel - any of several plants of the genus Anagallis |