spiderwort
/ˈspaɪdəwɜːt/noun
1- an American plant whose flowers bear long hairy stamens紫露草。
1.1
- Genus Tradescantia, family Commelinaceae: several species, including the blue-flowered North American T. virginiana, from which many cultivars have been derived.紫露草属, 鸭跖草科：数种, 包括开蓝色花、产生了许多栽培品种的北美紫露草。