chaste tree
noun
1- a southern European shrub with blue or white flowers, grown as an ornamental.牡荆属植物, 穗花牡荆。
1.1
- Vitex agnus-castus, family verbenaceae.拉丁名 Vitex agnus-castus,马鞭草科。
词源
mid 16th cent.: so named because of its association with chastity in sacrifices to Ceres.