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Morphogenesis of female reproductive organs in Carpinus turczaninowii and Ostryopsis davidiana (Betulaceae)
Chen, ZD; Xing, SP; Liang, HX; Lu, AM
2001-11-01
发表期刊ACTA BOTANICA SINICA
ISSN0577-7496
卷号43期号:11页码:1110-1114
摘要For better understanding of the relationships between genera, the primordium occurrence and morphological developmental process of female inflorescence, cymule and floret in Carpinus turczaninowii Hance and Ostryopsis davidiana Deene. of the Betulaceae were observed under the scanning electron microscope (SEM). Both species were monoecious. Their female inflorescence was a compound spike comprising several cymules arranged helically along an inflorescence axis. Each cymule consisted of two florets and five bracts, i. e., one primary bract and four other secondary ones which were developed from two semi-circular common primordia, respectively. In Carpinus, the adaxial secondary bracts grew slowly, while the abaxial ones grew fast, resulting in the appearance of a wide leafy bract upon maturity. In Ostryopsis, however, both abaxial and adaxial secondary bracts were fully developed, becoming a bladder-like but unclosed involucre when mature. Perianth primordia in both genera were circular. When the ovary became larger and larger, the perigone grew gradually, and finally surrounded and was adnate to the ovary. Some traditional viewpoints on the number of bracts and the orientation of bicarpellate ovary in cymule were clarified based on this study. The cymule bracts were not so many as those observed by Abbe; and the two bicarpellate ovaries were orientated perpendicularly, rather than parallel.
关键词Betulaceae Carpinus Ostryopsis Morphogenesis Bracts Perigone Cymule
学科领域Biochemistry & Molecular Biology ; Plant Sciences
收录类别SCI
语种英语
WOS研究方向Biochemistry & Molecular Biology ; Plant Sciences
WOS类目Biochemistry & Molecular Biology ; Plant Sciences
WOS记录号WOS:000172580000002
引用统计
被引频次:6[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/151853/14213
专题离退休
作者单位1.Chinese Acad Sci, Inst Bot, Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
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GB/T 7714
Chen, ZD,Xing, SP,Liang, HX,et al. Morphogenesis of female reproductive organs in Carpinus turczaninowii and Ostryopsis davidiana (Betulaceae)[J]. ACTA BOTANICA SINICA,2001,43(11):1110-1114.
APA Chen, ZD,Xing, SP,Liang, HX,&Lu, AM.(2001).Morphogenesis of female reproductive organs in Carpinus turczaninowii and Ostryopsis davidiana (Betulaceae).ACTA BOTANICA SINICA,43(11),1110-1114.
MLA Chen, ZD,et al."Morphogenesis of female reproductive organs in Carpinus turczaninowii and Ostryopsis davidiana (Betulaceae)".ACTA BOTANICA SINICA 43.11(2001):1110-1114.
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