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Relative of Chinese Rhubarb. Photo by H. Zell on Wikimedia Commons Rheum palmatum Common Name: Chinese Rhubarb. Family: Polygonaceae. Known Hazards: The leaves are poisonous. This report probably refers to high levels of oxalic acid found in the leaves. Perfectly safe in moderate quantities, oxalic acid can lock up certain . . . → Read More: Rhubarb Rehmannia Photo by Shizhao http://commons.wikimedia.org/wiki/File:Rehmannia.JPG Rehmannia glutinosa Common Name: Chinese Foxglove. Family: Gesneriaceae. Synonyms: R. chinensis. Habitats: Well-drained stony ground along roadsides and in woods. Mountain slopes and trail-sides from near sea level to 1100 metres. Range: E. Asia – N. China, Korea. Physical Characteristics Rehmannia glutinosa is a . . . → Read More: Rehmannia He Shou Wu Photo by http://commons.wikimedia.org/wiki/User:Fanghong Polygonum multiflorum Common Name: He Shou Wu. Family: Polygonaceae. Known Hazards: Although no specific mention has been made for this species, there have been reports that some members of this genus can cause photosensitivity in susceptible people. Many species . . . → Read More: Polygonum Multiflorum (He Shou Wou) Polygala Tenuifolia Polygala tenuifolia Common Name: Yuan Zhi. Family: Polygalaceae. Known Hazards: Although no specific mention has been seen for this species, at least one member of this genus is said to be poisonous in large quantities. Habitats: Hillsides, roadsides and meadows. Dry meadows and stony slopes. Range: E. Asia . . . → Read More: Polygala Tenuifolia Dried herbs for sale in China. Photo by Juen. http://commons.wikimedia.org/wiki/File:Chinesedriedgoods.jpg As medicine ‘There’s certainly too much pepper in that soup!’ Alice said to herself, as well as she could for sneezing. — Alice in Wonderland (1865). Chapter VI: Pig and Pepper. Note the cook’s pepper mill. Like many eastern spices, pepper was historically . . . → Read More: Black Pepper: Medicinal Use and Trade Black Pepper plant. Photo by Antti Kivivalli Region of origin Peppercorns are often categorised under a label describing their region or port of origin. Two well-known types come from India’s Malabar Coast: Malabar pepper and Tellicherry pepper. Tellicherry is a higher-grade pepper, made from the largest, ripest 10% of fruits from Malabar plants . . . → Read More: Black Pepper Origin and Plant Information |
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