Dried leaves of Barosma betulina Bartl. & Wendl. (short buchu) or of B. crenulata (Linné) Hooker (oval buchu), or of B. seratifolia Willd. (long buchu), Rutaceae. Habit. Southern Africa (Cape of Good Hope). Constit. Diosphenol (barosma camphor), diosmin, bitter extractive, resin, l-menthone, mucilage, hesperidin, 1-2% volatile oil. Review: Feldman, Youngken, J. Am. Pharm. Assoc. 33, 277 (1944).
Antiseptic (urinary).