buchu
/ˈbʌkuː/noun
1- a heather-like South African shrub which is cultivated for its essential oil and as an ornamental石南花。
1.1
- Genus Agathosma (or Barosma ) and Diosma, family Rutaceae.阿格皂斯玛属（或布枯属）及地奥属, 芸香科。
1.2
- mass noun a diuretic drug made from the powdered leaves of this shrub利尿剂。
词源
mid 18th cent.: from Khoikhoi.