Aconitum , known as aconite , monkshood , wolfsbane , leopard 's bane , women 's bane , Devil 's helmet or blue rocket , is a genus of flowering plant belonging to the buttercup family ( Ranunculaceae ) . Aconitum ( A-co-n Ã - tum ) , known as aconite , monkshood , wolfsbane , leopard 's bane , women 's bane , Devil 's helmet or blue rocket , is a genus of flowering plant belonging to the buttercup family ( Ranunculaceae ) .