alyssum
/ˈælɪsəm/noun
(pl. alyssums)
1- a herbaceous Eurasian plant which typically bears small white or yellow flowers. Some kinds are widely cultivated in gardens.庭荠。
1.1
- Genera Alyssum and Lobularia, family Cruciferae: many species, including sweet alyssum (L. maritima), with fragrant white flowers.庭荠属和香雪球属, 十字花科：多种, 包括香雪球（拉丁名L. maritima）, 花白色, 味香。
词源
mid 16th cent. (used loosely to denote various medicinal herbs)： modern Latin， from Latin alysson, from Greek alusson, from a- 'without' + lussa 'rabies' (referring to early herbalist use).