Piper longum Linn.

P. longum is a slender aromatic climber, mostly cultivated for its fruit. 

Synonyms: Piplamul, Pippali, Indian long pepper.

Family: Piperaceae

Chemical constituents:
       It contain alkaloids (piperine, piplartine, piperlonguminine etc), volatile oil, sesamine etc

Uses:

• It is commonly used for cough, cold, asthma, bronchitis etc.
• Its fruit is used as a spice in Indian cuisine.
• It acts as a carminative, sedative and analgesic