Taxonomic significance of leaf anatomy of Aniselytron (Poaceae) as an evidence to support its generic validity against Calamagrostis sl
Ma, HY; Peng, H; Li, DZ
2005-12-01
发表期刊JOURNAL OF PLANT RESEARCH
ISSN0918-9440
卷号118期号:6页码:401-414
摘要A comparative study of leaf anatomy on Aniselytron Merr. and Calamagrostis Adans. s.1. was conducted to review the systematic status of Aniselytron Merr. Calamagrostis s.1. exhibits wide variation in many features, but basic leaf structures of the genus remain constant: absence of a midrib-keel; median and large vascular bundles are central, with double sheaths, accompanied by girders both adaxially and abaxially; prickles have a bulbous base and are not sunken; the abaxial epidermal cells are short and wide and relatively thick-walled. Aniselytron differs from Calamagrostis s.1. in: midrib-keel is present, consisting of a large central bundle with small ones on either side; all vascular bundles are abaxially situated, with abaxial girders only, parenchyma takes the place of the adaxial sclerenchyma; the bases of the prickles are sunken and are not bulbous; the abaxial epidermal cells are tall and thin walled. These distinct anatomical features, in combination with the differences in spikelet structure and habitat, suggest that Aniselytron should be generically separated from and not merged with Calamagrostis s.1. Due to the adaxial parenchyma in the midrib which has never been found in Pooideae, Aniselytron might have a relationship with some other subfamily.
关键词Aniselytron Calamagrostis Deyeuxia Leaf Anatomy Poaceae
学科领域Plant Sciences
DOI10.1007/s10265-005-0236-0
收录类别SCI
语种英语
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000234160400004
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/2994
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Chinese Acad Sci, Lab Plant Biogeog & Biodivers, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
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Ma, HY,Peng, H,Li, DZ. Taxonomic significance of leaf anatomy of Aniselytron (Poaceae) as an evidence to support its generic validity against Calamagrostis sl[J]. JOURNAL OF PLANT RESEARCH,2005,118(6):401-414.
APA Ma, HY,Peng, H,&Li, DZ.(2005).Taxonomic significance of leaf anatomy of Aniselytron (Poaceae) as an evidence to support its generic validity against Calamagrostis sl.JOURNAL OF PLANT RESEARCH,118(6),401-414.
MLA Ma, HY,et al."Taxonomic significance of leaf anatomy of Aniselytron (Poaceae) as an evidence to support its generic validity against Calamagrostis sl".JOURNAL OF PLANT RESEARCH 118.6(2005):401-414.
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