One of the mysteries of the English language finally explained.
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.’
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