Habitat: North-West and Western India, and in the outer Himalayas.
English: Rohida tree.Ayurvedic: Rohitaka, Rohi, Daadimpushpaka, Daadimchhada, Plihaghna. (Amoora rohituka is also known as Rohitaka.)Action: Bark—relaxant, cardiotonic, choleretic. (Heartwood toxic due to lapachol.) Used for the treatment of leucorrhoea, diseases of the liver and spleen, leucoderma, syphilis and other skin diseases.
The bark contains tecomin (veratryl beta-D-glucoside), alkanes, alkanols and beta-sitosterols. The bark also yielded chromone glycosides—undu- latosides A and B, and iridoid glu- cosides—tecomelloside and tecoside.A quinonoid—lapachol, veratric acid and dehydrotectol are also reported from the bark.Water soluble portion of the alcoholic as well as chloroform extracts of the bark shows smooth muscle relaxant, mild cardiotonic and chloretic activities.Dosage: Flower, bark—50-100 ml decoction. (CCRAS.)