Acorus calamus Sweet flag 

Acorus calamus Sweet flag বচ  

Kingdom: Plantae

Clade: Tracheophytes

Clade: Angiosperms

Clade: Monocots

Order: Acorales

Family: Acoraceae

Genus: Acorus

Species: A. calamus

This is very useful in Tibetan medicine. This name Vacha in Hindi. In Tibetan shudak. There is to type white and black

These are " sweet flag" in common name but in botanical name is acorus calamus & it's uses for medicine is not well known it is a ancient medicine use for digestive disorder & many other.

Rhizomes are used in rheumatism, ear ache psychosis, epilepsy an orexia, distaste, inflammation of throat Piles, hoarseness of voice and speechard Improves memory power.

used for speech improvmentmental disorders, ear ach etc