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Anatomical Structure of Nutritive Organs in Calystegia soldanella
Author(s): LIU Ru, LIU Qing-hua, WANG Kui-ling, LIU Qing-chao
Pages: 64-
67
Year: 2009
Issue:
3
Journal: Acta Agriculturae Jiangxi
Keyword: 肾叶打碗花; 耐盐; 营养器官; 解剖结构;
Abstract: 采用石蜡切片法对青岛海滨地区的肾叶打碗花(Calystegia soldanella)营养器官解剖学特征进行了观察研究,结果显示: 肾叶打碗花为典型的泌盐植物;叶片上下表皮分布有由多细胞组成的盐腺;叶表皮细胞排列紧密,表皮外被有角质层;上下表皮都有气孔,气孔与表皮细胞基本齐平;为异面叶,有发达的栅栏组织.茎表皮上分布有气孔,与表皮细胞齐平;表皮与皮层之间有数层体积较小的厚壁细胞;薄壁细胞内有分泌腔分布;根表皮细胞向外突出形成大量根毛等.研究结果表明,肾叶打碗花的解剖结构表现出与其生境相适应的特征.
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