Relative of Chinese Rhubarb. Photo by H. Zell on Wikimedia Commons
Common Name: Chinese Rhubarb.
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
Common Name: Chinese Foxglove.
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.
Rehmannia glutinosa is a . . . → Read More: Rehmannia
He Shou Wu Photo by http://commons.wikimedia.org/wiki/User:Fanghong
Common Name: He Shou Wu.
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)
Common Name: Yuan Zhi.
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
‘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