Agathosma betulina (previously Barosma betulina) is a flowering plant in the family Rutaceae, native to the lower elevation mountains of western South Africa, where it occurs near streams in fynbos habitats.
It is an evergreen shrub growing to 2 m (6 ft 7 in) tall. The leaves are opposite, rounded, about 20 mm (0.79 in) long and broad. The flowers are white or pale pink, with five petals; the fruit is a five-parted capsule which splits open to release the seeds.
It is known by the common name round ...