Definition of buchu in English:



  • 1A heather-like South African shrub which is cultivated for its essential oil and as an ornamental.

    • ‘In the Western Cape you have serious problems with the removal of buchu.’
    • ‘Companion plants that look good with the dwarf coral tree include Helichrysum cymosum, buchu, crocosmia and the blombos’
    • ‘The first category comprises those collections grouped into families or parts of families, including Protea, Erica, Restio, Pelargonium, buchus, Streptocarpus, ferns, Disa, cycads, and clivias.’
    • ‘People also hunt for ferns, orchids, arum lilies and buchu.’
    • ‘The group of aromatic herbs and shrubs now known as buchus are classified under the generic name of Agathosma (previously Barosma), which is a member of the Rutacecae family.’
    1. 1.1[mass noun]A diuretic drug made from the powdered leaves of the buchu.
      • ‘Precaution: If you have kidney problems such as pain while urinating, blood in your urine do not take Buchu.’
      • ‘However, the German Commission E monograph on buchu concludes that insufficient evidence supports the modern use of buchu for the treatment of UTIs or inflammation.’
      • ‘Uva ursi and buchu Leaf are said to have diuretic, antiseptic and astringent properties, while Counchgrass is a soothing diuretic specific to cystitis.’
      • ‘Uva ursi, juniper berry, and buchu leaf all cause the body to lose water.’
      • ‘Buchu (Agathosma betulina) leaves and oil of buchu were used by the indigenous people of the Cape area of South Africa for hundreds of years.’


Mid 18th century: from Khoikhoi.