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题名: Cytotaxonomy of Begonia rubropunctata and B-purpureofolia (Begoniaceae)
作者: Nakata, Masashi; Guan, Kaiyun; Li, Jingxiu; Lu, Yuanxue; Li, Hongzhe
刊名: BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
关键词: Chinese flora ; chromosome numbers ; early condensed chromatin ; interphase nucleus ; Yunnan
英文摘要: The chromosome numbers of four Chinese Begonia species were counted for the first time as follows: 2n = 22 in B. rubropunctata, 2n = 18 in B. purpureofolia, 2n = 44 in B. pedatifida, and 2n = 22 in B. villifolia. The first two species had relatively large chromosomes with early condensed chromatin in the distal and interstitial or proximal regions, whereas the last two had small chromosomes with early condensed chromatin in the proximal regions. Although they have been reduced in the literature to synonyms of B. pedatifida and B. villifolia, respectively, B. rubropunctata and B. purpureofolia should be treated as distinct species because of the differences in chromosome numbers and other chromosome features. (c) 2007 The Linnean Society of London, Botanical Journal of the Linnean Society, 2007, 155, 513-517.
出版日期: 2007-12-01
卷号: 155, 期号:4, 页码:513-517
语种: 英语
ISSN号: 0024-4074
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/2529
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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作者单位: 1.Bot Gardens, Toyama 9392713, Japan
2.Chinese Acad Sci, Kunming Inst Bot, Kunming Bot Garden, Yunnan 650204, Peoples R China

Recommended Citation:
Nakata, M; Guan, KY; Li, JX; Lu, YX; Li, HZ.Cytotaxonomy of Begonia rubropunctata and B-purpureofolia (Begoniaceae),BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,2007,155(4):513-517
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