avens
/ˈævɪnz/noun
1- a plant of the rose family, typically having serrated, divided leaves and seeds bearing small hooks路边青, 水杨梅。
1.1
- Genus Geum, family Rosaceae: several species, including the widespread water avens (G. rivale), with drooping pinkish flowers, and wood avens or herb bennet.路边青属（水杨梅属）, 蔷薇科：数种, 包括分布广泛的紫萼路边青和黄花路边青, 紫萼路边青花体下垂, 呈淡粉色。
词源
Middle English: from Old French avence （medieval Latin avencia）， of unknown origin.