astilbe
/əˈstɪlbɪ/noun
1- an Old World plant of the saxifrage family, with plumes of tiny white, pink, or red flowers（欧洲大陆）落新妇属植物。
1.1
- Genus Astilbe, family Saxifragaceae.落新妇属, 虎耳草科。
词源
modern Latin， from Greek a- 'not' + stilbē, feminine of stilbos 'glittering' (because the individual flowers are small and inconspicuous).