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凤凰蜘蛛抱蛋(铃兰科)的补充描述及核型

《广西植物》[ISSN:1000-3142/CN:45-1134/Q]

期数:
2010年02期
页码:
166-169
栏目:
植物系统学与演化植物学
出版日期:
2010-03-15

文章信息/Info

Title:
Supplemental description and karyotype of Aspidistra fenghuangensis (Convallariaceae)
作者:
邓涛张代贵陈功锡*朱桂玉贺海生
吉首大学/植物资源保护与利用湖南省高校重点实验室, 湖南 吉首 416000
Author(s):
DENGTaoZHANGDai-GuiCHENGong-Xi*ZHUGui-YuHEHai-Sheng
Key Laboratory of Plant Resources Conservation and Utilization (Jishou University), College of Hunan Province, Jishou 416000,China
关键词:
凤凰蜘蛛抱蛋 核型 铃兰科
Keywords:
Aspidistra fenghuangensis karyotype Convallariaceae
分类号:
-
DOI:
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文献标识码:
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摘要:
通过野外和标本室观察,发现凤凰蜘蛛抱蛋的原始描述存在一些错误。重新详细描述了该种的花部形态特征,补充了果实形态特征的描述,并首次报道了其染色体数目(2n=38)和核型(2n=22m+6sm+10st)。根据核型特征,认为该种的近缘种应为四川蜘蛛抱蛋和乐山蜘蛛抱蛋,而非黄花蜘蛛抱蛋。
Abstract:
Based on both field and herbarium observations,some mistakes were found in the original description of Aspidistra fenghuangensis K.Y.Lang,a species currently only known from Jishou and Fenghuang,western Hunan Province,China. The flower and fruit characters of this species were redescribed in detail.Its chromosome number,2n=38,was reported here for the first time. Its karyotype is bimodal and formulated as 2n=22m+6sm+10st. The karyotypic data indicate that A.fenghuangensis K.Y.Lang is more closely related to A.sichuanensis K.Y.Lang & Z.Y.Zhu and A.leshanensis K.Y.Lang & Z.Y.Zhu than to A.flaviflora K.Y.Lang & Z.Y.Zhu.

参考文献/References

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备注/Memo

备注/Memo:
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更新日期/Last Update: 2010-04-29