aster
/ˈæstə(r)/noun
1- a plant of a large genus that includes the Michaelmas daisy, typically having purple or pink rayed flowers紫菀属植物。
1.1
- Genus Aster, family Compositae: numerous species.紫菀属, 菊科：众多种。参见 CHINA ASTER.
词源
early 17th cent.(in the Greek sense)： via Latin from Greek astēr 'star'.