Cynanchum japonicum

Physical Characteristics

Cynanchum japonicum is a PERENNIAL CLIMBER growing to 0.6 m (2ft). It is in flower from May to June. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

Distribution

E. Asia - Japan.

Habitats

Woodland Garden Sunny Edge; Dappled Shade; Cultivated Beds;

Edible Uses

None known

Medicinal Uses

Antitussive Expectorant The plant is antitussive and expectorant[147]. (The part of the plant used is not specified.) A decoction is used in the treatment of lung congestion, fullness of chest and sides, shortness of breath and rasping throat[147].

Known Hazards

There are some reports of toxins in this genus[179].