A new and distinct cultivar of Curcuma plant named ‘；Curdossimp’；, characterized by its upright plant habit with outwardly arching leaves； moderately vigorous to vigorous growth habit； freely clumping growth habit； leaves with dark greyed orange-colored midveins； freely flowering habit； and large dense inflorescences with red purple-colored upper flower bracts positioned above the foliar plane on strung and erect peduncles.
