%0 Journal Article %A CHEN Xi %A WANG Lei %A WANG Meng %A XING Yi %A YIN Hua %A ZHANG Da-Wei* %T Morphology Structure of Leaf Epidermis of Genus Spiraea in Heilongjiang Province %D 2013 %R 10.7525/j.issn.1673-5102.2013.03.003 %J Bulletin of Botanical Research %P 266-270 %V 33 %N 3 %X A study on morphology structure of epidermis of the genus Spiraea in Heilongjiang province was conducted with scanning clectron microscope (SEM). The result shows that epidermal cells are irregular-shaped and polygonal, the anticlinal wall are strait-arched, sinuated, sinuolate; most of species do not have trichomes, only a little species have trichomes on upper epidermal cells or lower epidermis cells and only the cells of upper epidermal have trichomes; Stomatal apparatus are located in the lower epidermis, all of them are anomocytic, cyclocytic and atypical actinocytic; the inner margin of the outer stomatal rim is glabrous, candida, sinuous and sinuolate; uni-layered outer stomatal rim or double layer; having not T-pieces at the polar region of guard cells, having notably T-pieces at the polar of guard cells. The result provides morphological basis of phylogeny and taxonomic significance for the Spiraea plants of Heilongjiang province. %U https://bbr.nefu.edu.cn/EN/10.7525/j.issn.1673-5102.2013.03.003