BUCHU. Barosma betulina. N.O. Rutaceae.
Habitat : South Africa, from where the leaves are imported.
Features : Three varieties of Buchu leaves are used therapeutically : (I) Barosma betulina or Round Buchu are rhomboid-obovate in form with blunt, recurved apex, and are preferred to either (2) Barosma crenulata or oval Buchu, the apex of which leaf is not recurved ; or (3) Barosma serratifolia or long Buchu, named from its distinctive, serrate-edged leaf and truncate apex.
Part used : Leaves.
Action : Diuretic, diaphoretic, stimulant.
Complaints of the urinary system, especially gravel and inflammation or catarrh of the bladder. Infusion of 1 ounce leaves to 1 pint water three or four times daily in wineglass doses.
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