Range. Throughout China, Bhuton, Cambodia, India, Indonesia, Japan, Korea, Laos, Malaysia, Nepal, Pakistan, the Philippines, Sri Lanka, Thailand, Vietnam; Russia (Sibe­ria); Africa; and Australia. In Myanmar, the species in found in Taninthayi and Yangon.

Uses
Whole Plant: Provides a medicine used to treat diseases of the digestive organs, asthma, and toothache.

Leaf: Juice used for fever.

Flower: Edible and has a cooling effect.

Root: Used for toothache and asthma; juice used to treat stomach and liver problems.

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Origin

Throughout India in ponds, tanks, ditches, as a weed common in rice fields.

Action:

Leaves—juice is given for coughs.

Roots—prescribed for stomach and liver complaints.

1) DeFilipps, Robert A.; Krupnick, Gary A. / PhytoKeys, v. 102. - - p. 1 - 314,  2018.

2) Khare, C.P./ Indian Medicinal Plants. -- Nueva Dheli: Springer, 2007 . - p  423.