A hardy perennial grass with creeping culms, rooting at nodes and forming spreading mats on the surface of the soil. It flowers nearly throughout the year.

Astringent, diuretic, ophthalmic, alterative, anabolic, antiseptic, aperient, cyanogenetic, demulcent, depurative, emollient, sudorific, vulnerary, hypoglycemic.

PIER
Cynodon dactylon (L.) Pers.
Sundevil
Plants for a Future
Herbal Monograph

Flavones, tricin, C-glycosides and a flavonoid containing a sulfate (leaf), six phenolic phytotoxins, along with syringic, ferulic, P-coumaric and vanillic acids (plant).

Hemorrhoids, dropsy, to stop bleeding from piles and syphilis (root), ophthalmia, cuts and wounds (plant juice); anasarca and dropsy (plant decoction); chronic diarrhoea, dysentery, hysteria, epilepsy and insanity; in the treatment of hysteria, epilepsy and insanity (leaf juice)

In 1000 mg dose it produced tremors, convulsion, general weakness leading to death.

Sharma, Classical Uses of Medicinal Plants.