gromwell
/ˈgrɒmwəl/noun
1- a widely distributed plant of the borage family, typically having white or blue flowers which are followed by smooth hard nutlets紫草属植物。
1.1
- Genus Lithospermum, family Boraginaceae: several species, in particular the common Eurasian L. officinale.紫草属, 紫草科：数种, 尤指欧亚大陆的白果紫草。
词源
Middle English: from Old French gromil, probably from a medieval Latin phrase meaning 'crane's millet'.