Karyotype Comparison Between Genera in Magnoliaceae

Abstract

Abstract: The karyotype of representative species of eight genera in Magnoliaceae, including Magnolia,Manglietia ,Michelia ,Paramichelia , Tsoongiodendron ,Parakmeria, Liriodendron and Manglietiastrum, was studied. Their karyotype formulas are as follows: Magnolia coco 32m + 4sm + 2st(2SAT); Manglietia glauca 32m + 4sm + 2st(2SAT); Paramichelia baillonii 34m (2SAT) + 2sm + 2st (2SAT); Tsoongiodendron odorum 32m + 6sm (2SAT); Parakmeria omeiensis 56m + 16sm + 4st(2SAT); Liriodendron chinense 32m + 4sm(2SAT) + 2st(SAT); Manglietiastrum sinicum 28m + 4sm + 6st(6SAT); Michelia al-ba 34m+ 4sm(2SAT). The karyotype evolution of Magnoliaceae is discussed.

Key words: Magnoliaceae, Karyotype analysis, Karyotype evolution

LI Xiu-Lan, SONG Wen-Qinv, AN Zhu-Ping, CHEN Rui-Yang. Karyotype Comparison Between Genera in Magnoliaceae[J]. J Syst Evol, 1998, 36(3): 232-237.

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Karyotype Comparison Between Genera in Magnoliaceae

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