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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
Source PublicationACTA BOTANICA SINICA
ISSN0577-7496
Volume43Issue:11Pages:1110-1114
AbstractFor 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.
KeywordBetulaceae Carpinus Ostryopsis Morphogenesis Bracts Perigone Cymule
Subject AreaBiochemistry & Molecular Biology ; Plant Sciences
Indexed BySCI
Language英语
WOS Research AreaBiochemistry & Molecular Biology ; Plant Sciences
WOS SubjectBiochemistry & Molecular Biology ; Plant Sciences
WOS IDWOS:000172580000002
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/14213
Collection离退休
Affiliation1.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
Recommended Citation
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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