Polygala tenuifolia Polygala rehmannii is a species of flowering plant in the milkwort family (Polygalaceae).

[1] It is endemic to areas with an altitude below 1,160 metres (3,810 ft) in Southern Africa.

[1] The species is a perennial herb with a height between 10 and 30 centimetres (3.9 and 11.8 in) growing from a woody rootstock.

[2][3] The leaves are 10 to 25 millimetres (0.39 to 0.98 in) long and have rounded ends.

The flowers the plant produces are blue or greenish-blue.