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题名: Zhengyia shennongensis: A new bulbiliferous genus and species of the nettle family (Urticaceae) from central China exhibiting parallel evolution of the bulbil trait
作者: Deng, Tao1, 2; Kim, Changkyun1; Zhang, Dai-Gui3; Zhang, Jian-Wen1; Li, Zhi-Ming4; Nie, Ze-Long1; Sun Hang(孙航)1
刊名: TAXON
关键词: bulbils ; central China ; new genus and species ; parallel evolution ; Urticaceae ; Urticeae ; Zhengyia shennongensis
英文摘要: Zhengyia shennongensis is described here as a new genus and species of the nettle family (Urticaceae) from Hubei province, central China. The phylogenetic position of Z. shennongensis is determined using DNA sequences of nuclear ribosomal ITS and three plastid regions (rbcL, psbA-trnH, trnL-F). Zhengyia shennongensis is readily distinguished from the related genera Urtica, Hesperocnide, and Laportea in the tribe Urticeae by its seed (oblong-globose or subglobose and not compressed achenes, surface densely covered with nipple-shaped protuberances) and stipule morphology (large leaf-like stipules with auriculate and amplexicaulous base and united with stem). Phylogenetic evidence indicates that Zhengyia is a distinct group related to Urtica (including Hesperocnide) species and Laportea cuspidata in tribe Urticeae. The bulbiliferous species of the tribe (L. bulbifera, L. cztspidata, Z. shennongensis) do not form a clade. This result indicates that the bulbil trait evolved in parallel within Urticeae. Our findings highlight the importance of shady and moist habitats in promoting species diversification and the parallel evolution of morphological traits that are likely to be adaptive.
出版日期: 2013-02-01
卷号: 62, 期号:1, 页码:89-99
语种: 英语
ISSN号: 0040-0262
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/16811
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650201, Yunnan, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Jishou Univ, Coll Hunan Prov, Key Lab Plant Resources Conservat & Utilizat, Jishou 416000, Hunan, Peoples R China
4.Yunnan Normal Univ, Sch Life Sci, Kunming 650031, Yunnan, Peoples R China

Recommended Citation:
Deng, Tao; Kim, Changkyun; Zhang, Dai-Gui; Zhang, Jian-Wen; Li, Zhi-Ming; Nie, Ze-Long; Sun, Hang.Zhengyia shennongensis: A new bulbiliferous genus and species of the nettle family (Urticaceae) from central China exhibiting parallel evolution of the bulbil trait,TAXON,2013,62(1):89-99
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