Related species Named for Joseph Rehmann ((1753-1831) German physician (Stearn, 1994) who emigrated to St Petersburg and became the personal physician to Tsar Nicholas 1.

In TCM the following notes apply to the related species R. glutinosa: This plant, called Di Huang in China, is commonly used in Chinese herbalism, where it is one of the most popular tonic herbs and is considered to be one of the 50 fundamental herbs[218, 238]. The root is the main part used and it can be prepared in four different ways - charcoaled, prepared (but no details of the preparation are given) when it is called Shu Di Huang and fresh or dried when it is called Sheng Di Huang[176]. The roots are antibacterial, antiseptic, cardiac, diuretic, febrifuge, haemostatic, hypoglycaemic and tonic[61, 176, 178, 218, 238, 279]. They are used in the treatment of a wide range of ailments, including anaemia, cancer, bleeding, constipation, coughs, fever and premature ejaculation[174, 176, 218, 238]. n TCM the following notes apply to the species R. glutinosa.

Rehmannia Walberton's Magic Dragon = 'Walremadra' (PBR) Rehamannia 'Walremadra' is a synonym