 The biflavonoids 2",3"-dihydrohinokiflavone, 2,3,2",3"-tetrahydrohinokiflavone, 2,3-dihydroamentoflavone, 2,3,2",3"-tetrahydroamentoflavone, 2,3-dihydro-4"'-0-methyl-amentoflavone, and pinoresinol can be isolated from "C. beddomei".The male cones of the plant are used in Ayurvedic medicine as a cure for rheumatoid arthritis and muscle pains.This cycad, due to its demand for medicinal purposes, and consequent reduction in living populations, is now an endangered species.