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Carex procumbens (Carex sect. Rhomboidales, Cyperaceae), a new species from Hainan, China

文献类型: 外文期刊

作者: Yang, Hu-Biao 1 ; Li, Xiao-Xia 3 ; Bai, Chang-Jun 1 ; Wang, Wen-Qiang 1 ; Wang, Qing-Long 1 ; Yu, Dao-Geng 1 ; Dong, R 1 ;

作者机构: 1.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Inst, Danzhou 571737, Hainan, Peoples R China

2.Southern China Minist Agr, Key Lab Crops Gene Resources & Germplasm Enhancem, Danzhou 571737, Hainan, Peoples R China

3.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Danzhou 571737, Hainan, Peoples R China

关键词: Carex;Carex sect. Rhomboidales;new species;taxonomy

期刊名称:PHYTOTAXA ( 影响因子:1.171; 五年影响因子:1.196 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: Carex procumbens, a new species of Carex sect. Rhomboidales from Hainan, China, is described and illustrated. The new species is similar to C. longipetiolata but differs in culms soft and usually prostrate on the ground, having narrower leaves with the leaf base gradually narrowed, with 2-3 spikes, terminal spike 8-12 mm long, lateral spikes 5-15 mm long and loosely flowered, staminate glumes ovate with green middle vein and apex rounded, pistillate glumes ovate-lanceolate ca. 6 mm and middle vein excurrent into a short awn for ca. 2 mm, perigynia fusiform and glabrous, nutlet brown to dark brown and ovate-rhomboid, nutlet ca. 7 mm long and with a short curved beak.

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