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Description:
Perennial scandent shrub with tuberous roots. Stems glabrous, spinous. Branchlets reduced to leaves (cladophylls), falciform, angular. Flowers white, small, arising in the leaf-axils. Berry globose, pale-green at first, finally white. Seeds black.
Flowering period:
May - July.
Distribution:
Grows wild among shrubs on the sea-coast; also cultivated as an ornamental plant
Parts used:
The roots, collected in winter and spring, are soaked in water or steamed and then sun-dried. The cores are removed and the roots are then soaked in alcohol and heat-dried before use.
Chemical composition:
The roots contain asparagine, mucilage, starch and sugars.
Therapeutic uses:
The root possesses pectoral, antitussive, diuretic and reconstituent properties. It is indicated in the treatment of persistent cough, haemoptysis, dry throat, fever, dysuria and constipation. It is also effective in neurasthenia. The daily dose is 8 to 16g in a decoction, extract, powder or elixir. It is often a constituent of composite restorative recipes, together with Codonopsis javanica and Rehmannia glutinosa.
Source: Medicinal plants in Viet Nam (Institute of Materia Medica - HANOI - WHO/WPRO, 1990, 444 p.)
Perennial scandent shrub with tuberous roots. Stems glabrous, spinous. Branchlets reduced to leaves (cladophylls), falciform, angular. Flowers white, small, arising in the leaf-axils. Berry globose, pale-green at first, finally white. Seeds black.
Flowering period:
May - July.
Distribution:
Grows wild among shrubs on the sea-coast; also cultivated as an ornamental plant
Parts used:
The roots, collected in winter and spring, are soaked in water or steamed and then sun-dried. The cores are removed and the roots are then soaked in alcohol and heat-dried before use.
Chemical composition:
The roots contain asparagine, mucilage, starch and sugars.
Therapeutic uses:
The root possesses pectoral, antitussive, diuretic and reconstituent properties. It is indicated in the treatment of persistent cough, haemoptysis, dry throat, fever, dysuria and constipation. It is also effective in neurasthenia. The daily dose is 8 to 16g in a decoction, extract, powder or elixir. It is often a constituent of composite restorative recipes, together with Codonopsis javanica and Rehmannia glutinosa.
Source: Medicinal plants in Viet Nam (Institute of Materia Medica - HANOI - WHO/WPRO, 1990, 444 p.)
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