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Karyomorphological study of the Spiraea japonica complex (Rosaceae)
Zhang, ZY; Sun, H; Gu, ZJ
2002-07-01
发表期刊BRITTONIA
ISSN0007-196X
卷号54期号:3页码:168-174
摘要Reported in this paper is a karyomorphological study on one natural population of each of eight varieties in the Spiraea japonica complex. The interphase and mitotic prophase can be classified into the simple chromocenter type and the proximal type, respectively. The metaphase karyotypes of the eight varieties were formulated as follows: S. japonica van japonica: 2n = 18 = 14m + 2sm + 2st; S. japonica var. acuta: 2n = 18 1m + 4sm + 3st; S. japonica var. incisa: 2n = 18 = 12m + 4sm + 2st; S. japonica var. stellaris: 2n = 18 = 15m + Ism + 2st; S. japonica var. acuminata: 2n = 18 = 14m + 2sm + 2st; S. japonica var. ovalifolia: 2n = 18 = 10m + 2sm + 2st + 4t; S. japonica var. glabra: 2n = 18 = 10m + 4sm + 4st; S. japonica var. fortunei: 2n = 36 = 17m + 16sm + 3st. Karyomorphological study reveals that the chromosome numbers within the complex are stable, and that karyomorphological divergence between the varieties lies mainly in chromosome size and organization. Based on the karyomorphological data and geographical distribution of the complex, the differentiation pattern as well as evolutionary mechanism of the complex is evaluated.
关键词S. Japonica Complex Karyomorphology
学科领域Plant Sciences
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:000179595500004
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/5595
专题离退休
作者单位Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
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GB/T 7714
Zhang, ZY,Sun, H,Gu, ZJ. Karyomorphological study of the Spiraea japonica complex (Rosaceae)[J]. BRITTONIA,2002,54(3):168-174.
APA Zhang, ZY,Sun, H,&Gu, ZJ.(2002).Karyomorphological study of the Spiraea japonica complex (Rosaceae).BRITTONIA,54(3),168-174.
MLA Zhang, ZY,et al."Karyomorphological study of the Spiraea japonica complex (Rosaceae)".BRITTONIA 54.3(2002):168-174.
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