Karyotype Analysis of Cycas panzhihuaensis L. Zhou et S. Y. Yang

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Karyotype Analysis of Cycas panzhihuaensis L. Zhou et S. Y. Yang

Yang Di-Qing, Zhu Xie-Fu

(Lushan Botanical Garden, Lu Shan, Jiangxi)

Received:1900-01-01 Revised:1900-01-01 Online:1985-10-18 Published:1985-10-18
Contact: Yang Di-Qing

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Abstract

Abstract:

This paper reports chromosome number and karyotype analysis of

Cycas panzhihuaensis endemic to China. The material was collected from Dukou, Si-

chuan. It is a diploid species, with 2n=22=2m+4sm+4st+l2t. The karyotype of Cycas

panzhihuaensis is different from that of the other species of the genus Cycas, which

was known to be 2n=4m+8st+10t. The former is a new karyotype in the genus. The

authors briefly discuss karyotype evolution of the genus Cycas in this papar.

Key words: Cycas panzhihuaensis, Karyotype

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Yang Di-Qing, Zhu Xie-Fu. Karyotype Analysis of Cycas panzhihuaensis L. Zhou et S. Y. Yang[J]. .

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URL: http://journal.ucas.ac.cn/EN/

http://journal.ucas.ac.cn/EN/Y1985/V23/I5/352

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