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Carex jianfengensis (Carex sect. Rhomboidales, Cyperaceae), a New Species from Hainan, China

文献类型: 外文期刊

作者: Yang, Hubiao 1 ; Li, Xiaoxia 2 ; Wang, Wenqiang 1 ; Bai, Changjun 1 ; Liu, Guodao 1 ;

作者机构: 1.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Inst, Danzhou, Hainan, Peoples R China

2.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Haikou, Hainan, Peoples R China

期刊名称:PLOS ONE ( 影响因子:3.24; 五年影响因子:3.788 )

ISSN: 1932-6203

年卷期: 2015 年 10 卷 9 期

页码:

收录情况: SCI

摘要: A new species of Carex sect. Rhomboidales, C. jianfengensis, is described and illustrated from Hainan, China. The new species is similar to C. zunyiensis but differs in having involucral bracts sparsely hispid and with ca.1 cm long sheaths; inflorescence with 4 spikes, terminal spike ca. 2.5 cm long, lateral spikes 2-3.5 x 0.7(-1) cm; staminate glumes narrowly ovate, ca. 5 mm; pistillate glumes triangular-lanceolate, 5-7 mm; perigynia 6-8 x 3 mm and pubescent on veins; nutlet 4-5 mm long, rhombic-ovoid, trigonous, base with shortly stipitate, apex abruptly contracted into a erect short beak, and not expanding into an annulate orifice.

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