J Integr Plant Biol. ›› 1988, Vol. 30 ›› Issue (1): -.

• Research Articles •    

Comparative Anatomical Studies on the Vessel Elements of Eight Genera in Magnoliaceae

Wu Shu-ming and Li Zheng-li(Lee Chenglee)   

Abstract: This paper deals mainly with comparative studies on vessel elements of secondary xylem in Chinese Manglietia, Manglietiastrum, Alcimandra, Parakmeria, Paramichelia, Tsoongiodendron, Aromadendron and Liriodendron. There are some differences between the genera in vessel element length and width. Manglietia species all have scalariform perforation plates, only a few also have simple perforations. The other genera have scalariform perforation plates. only one (Tsoongiodendron odorum Chun) has simple perforations in addition. There are no spiral thickenings in Manglietia except for one species [Manglietia chingii Dandy (M. temuipes Dandy)] . Paramichelia and Liriodendron have no spiral thichenings, but they are present in the other genera. In addition, some other differences in vessel elements between these 8 genera are also discussed.

Key words: Vessel elements, Manglietia, Manglietiastrum, Alcimandra, Parakmeria: Paramichelia, Tsoongiodendron, Aromadendron, Liriodendron

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