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Karyomorphology of six species of the genus Aspidistra Ker-Gawl. (Fam. Asparagaceae s.l.) from China

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Abstract

The present study reports the chromosome numbers and karyotypes of six Aspidistra species from China, of which four species from Guangxi are described for the first time, i.e., A. bicolor with 2n = 36 = 20m + 2sm + 12st + 2t, A. cerina with 2n = 36 = 20m + 2sm + 14st, A. obliquipeltata with 2n = 38 = 20m + 6sm + 12st and A. connata with 2n = 38 = 20m + 6sm + 12st. A. papillata with 2n = 38 = 22m + 2sm + 14st, is a new record to Guizhou, and first report for cytological data. The karyotype of A. retusa from Guangxi, formulated as 2n = 36 = 14m + 10sm + 12st, is different from the previous report for the chromosome pair VIII, XI and XII pairs that depict their submedian karymorpholgy without any satellites . Further, the intra- and interchromosomal asymmetry indices of the karyotypes of the above species are also presented that are helpful in elucidating the karyotype evolution in Aspidistra.

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Acknowledgments

This study was supported by the Science Research Foundation of Guangxi Institute of Botany (Grant. No. 10005), Western Light Talent Culture Project 2013-165, National Natural Science Foundation of China (Grant. No. 31200160) and National Basic Research Development Program of the Ministry of Science and Technology of China (Grant. No. 2013FY112100).

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  1. Guangxi Zhuangzu Autonomous Region and Chinese Academy of Sciences, Guangxi Institute of Botany, Guilin, 541006, China

    Tao Meng & Qi Gao

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  1. Tao Meng
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  2. Qi Gao
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Correspondence to Qi Gao.

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Meng, T., Gao, Q. Karyomorphology of six species of the genus Aspidistra Ker-Gawl. (Fam. Asparagaceae s.l.) from China. Nucleus 57, 143–147 (2014). https://doi.org/10.1007/s13237-014-0117-9

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  • DOI: https://doi.org/10.1007/s13237-014-0117-9

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