Definition of Chinese rhubarb in US English:

Chinese rhubarb


  • A tall perennial plant with palmate leaves, whitish flowers, and winged fruits. The dried rhizomes and roots are used medicinally.

    Rheum longifolia, family Polygonaceae

    • ‘While most will be familiar with the garden rhubarb, Rheum raponticum, the cultivar we are going examine is the medicinal variety, known as Chinese rhubarb.’
    • ‘Purée three Chinese rhubarb stalks (not to be confused with garden rhubarb), add 250 mL apple juice, 1 L of water, 1/4 peeled lemon and 15 mL honey.’
    • ‘Weakened decoctions of Chinese rhubarb are used for diarrhea, while stronger ones are effective for constipation or cramps with delayed menstruation.’
    • ‘The inhibitory substance in Chinese rhubarb was soluble in polar solvents and less soluble in nonpolar solvents.’
    • ‘Although its rhizomes served folk medicine as a mild laxative, they do not have the medicinal properties that give Chinese rhubarb its powers.’