Krameria
Genus of flowering plants / From Wikipedia, the free encyclopedia
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Krameria is the only genus in the Krameriaceae family, of which any of the approximately 18 species[3] are commonly known as rhatany, ratany or rattany. Rhatany is also the name given to krameria root, a botanical remedy consisting of the dried root of para rhatany (Krameria argentea) or Peruvian rhatany (Krameria lappacea).
Krameria | |
---|---|
K. lappacea | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Zygophyllales |
Family: | Krameriaceae Dumort.[1] |
Genus: | Krameria L.[2] |
Species | |
17–18 – see text |
The biological action of rhatany is caused by the astringent rhataniatannic acid, which is similar to tannic acid.[4] Infusions have been used as a gargle, a lozenge, especially when mixed with cocaine,[4] as a local hemostatic[4] and remedy for diarrhea. When finely powdered, the dried roots furnished a frequent constituent of tooth powders. The powdered roots have also served, especially in Portugal, to color wines ruby red. The root bark contains an almost insoluble free red substance called ratanhia red.