Adenandra is a genus of evergreen shrubs of the family Rutaceae, commonly known as buchu (plural buchus). The genus is native to South Africa. The plants are related to the citrus family, and have oil glands in the leaves which give off a distinctive aroma. The name Adenandra derives from Greek aden, a gland; ander, a man. The leaves are small and almost scale-like, being sessile or subsessile (stalkless of almost stalkless). The conspicuous flowers have five petals, and are pink or white. Adenandra are cultivated by gardeners for their ornamental and aromatic value.

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