The leaf epidermal cell micromorphology of 14 Dracocephalum L.species from Xinjiang were investigated under light microscope(LM) and scanning electron microscope(SEM).The results showed that epidermal cells of all species of Dracocephalum L.were irregular in shape except that of lower epidermal of Dracocephalum paulsenii Briq.were polygonal.The patterns of anticlinal wall were sinuate,sinuous,sinuolate or straight-arched.Stomata were diacytic in all species examined.The shapes of stomatal apparatus were long oval,oval,wide oval or nearly round.The trichomes were small bristle,short pubescence,long pubescence,peltate and capitate glandular hair.The micro-morphological characters of stomatal size,stomatal density,stomatal index,stomatal inner margin of outer rim,trichomes,and cuticular ornamentation were all obviously different among different species,even different in lower epidermal and upper epidermal in same species.The leaf epidermal morphological characters could provide evidence to identify species and study the systematic relationships and evolution of taxons of Dracocephalum L..