Chuan Dang

Codonopsis tangshen

Physical Characteristics

Codonopsis tangshen is a PERENNIAL CLIMBER growing to 3 m (9ft 10in). See above for USDA hardiness. It is hardy to UK zone 4 and is not frost tender. It is in flower from June to August, and the seeds ripen from August to September. The species is hermaphrodite (has both male and female organs). Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: mildly acid and neutral soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

Distribution

E. Asia - W. China.

Habitats

Woodland Garden Sunny Edge; Dappled Shade; Shady Edge;

Edible Uses

None known

Medicinal Uses

Adaptogen Aphrodisiac Tonic This species is an important herb in Chinese medicine, the root is widely used as a substitute for ginseng[4, 174, 238]. It is a sweet, warm, soothing herb that is taken as an energy tonic[238]. It acts mainly on the spleen, lungs and stomach, raising secretion of body fluids and blood sugar levels, lowering the blood pressure and stimulating the immune system[238]. The root and the whole plant are adaptogen, aphrodisiac and tonic[46, 61, 174, 176, 218]. It is taken internally in the treatment of low energy, poor appetite and digestion, anaemia, shallow breathing and debility after illness[238]. It is often cooked with rice until it is glutinous as a tonic food[238]. The roots of plants at least three years old are harvested in the autumn and can be used fresh or dried[238].

Known Hazards

None known