<jats:title>Abstract</jats:title><jats:p>Two novel monoterpene alkaloid dimers, named argutanes A and B (<jats:bold>1</jats:bold> and <jats:bold>2</jats:bold>, resp.), together with the known alkaloid boschniakine (<jats:bold>3</jats:bold>), were isolated from the roots of <jats:italic>Incarvillea arguta.</jats:italic> The structures were elucidated on the basis of 1D‐ and 2D‐NMR, as well as HR‐ESI‐MS data.