Woody vines up to 20 m long. Distribution: The Far East. Data are available for P. tricuspidata (Siebold et Zucc.) Planch, in A. DC. et C. DC.
Flavonoids (including anthocyanins, leucoanthocyans), phytosterols, stilbenes, carbohydrates and higher fatty acids, higher alcohols, aliphatic hydrocarbons, and an established structure. Allocated to the fixed oil 2B% from seeds.
Drug (branch). Therapeutic action — haemostatic. Indications — tumors: tumors.
Environmental significance. Ornamental. Needs to be protected.