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KMID : 0368419840270020081
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Journal of Plant Biology
1984 Volume.27 No. 2 p.81 ~ p.94
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Systematic Studies on Some Korean Woody Plants
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Abstract
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Anatomical features and cell dimensions of the secondary xylem in the stem of the korean Lauraceae including 6 genera and 12 species were investigated under a light microscope and scanning electron microscope. Key to identification among genera or species was made from the anatomical features and systematic correlation investigated. The stem woods of Lauraceae exhibit the following characters: (1) quite evenly distributed pores (diffuse-porous wood) (2) perforation plates simple or occationally scalariform in the latewood vessels (3) almostly 2-seriate and heterocellular rays (4) abundant paratracheal-vasicentric paratracheal-vasicentric parenchyma (5) oil cells. Especially, the appearance of simple perforation plates suggest the Lauraceae to be more or less advanced.
It is considered that the series of specialization in the Lauraceae from the perforation plates and the height of rays is as Lindera→Neolitsea→(Machilus, Litsea, Iozoste)→Cinnamomum, and Lindera sericea is the most primitive in the Lauraceae.
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KEYWORD
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