Botanical name: 

Abroma. Abroma angustum L. f. (Fam. Sterculiaceae.)—Under the name of Olutkombul, the glutinous sap of this plant has long been used in India in dysmenorrhea. According to Sircar (Indian Medical Gazette, 1900) and other English practitioners, it is a very efficient remedy in congestive and neuralgic dysmenorrhea when given in doses of two drachms (7.7 Gm.) at the time of the first premonitory pains and continuing to the end. The fresh root is sometimes used. Dose, half a drachm (2 Gm.).

The Dispensatory of the United States of America, 1918, was edited by Joseph P. Remington, Horatio C. Wood and others.