Diosma
a genus of plants, belonging to the Rutaceæ or rue family. They are small shrubs with white or red flowers; leaves alternate or opposite, simple. They are remarkable for their overpowering and penetrating odor, arising from the presence of a yellowish volatile oil. They are the Bucku plants of the Cape of Good Hope. The plant has been employed in chronic affections of the bladder and urinary organs in general, and has also been administered in cholera.