Department of Natural Plant Product, Institute of Himalayan Bioresource Technology, Palampur-176 061, India E-mail: vkaul2002@yahoo.co.in Fax : 91-1894-230433 Manuscript received 19 January 2004, revised 27 April 2004, accepted 3 August 2004 From the methanol extract of lris kumaonensis four known isoflavones and one known isoflavone glycoside were isolated for the first time. Their structures were elucidated by spectral studies including 2D NMR analysis.