Oldenlandia umbellata

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Oldenlandia umbellata
Oldenlandia umbellata CoromandelCoast 1-003.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Rubiaceae
Genus: Oldenlandia
Species:
O. umbellata
Binomial name
Oldenlandia umbellata
L.

Oldenlandia umbellata (called chay root or choy root, from its Tamil name, chaaya ver) is a low-growing plant native to India. [1] A colour-fast red dye can be extracted from the root bark of (preferably) a two-year-old plant. Chay root dye was once used with a mordant to impart a red colour to fabrics such as calico, wool, and silk. [2]

It is grown on the Coromandel Coast in India.

Medicinal use

This plant is well known in Siddha Medicine for its styptic property. It is also a drug that can be administered for bronchial asthma, as a decoction of the entire plant, a decoction made from its root and liquorice in the ratio-10:4, or the powdered root is given either with water or honey.

A decoction of the root also is a febrifuge.

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References

  1. "chay root". thefreedictionary. Retrieved 15 January 2007.
  2. "The in vitro antibacterial activity of Hedyotis Umbellata - Short Communication". Indian Journal of Pharmacological Sciences. Retrieved 15 January 2007.