Karyomorphological study of the Spiraea japonica complex (Rosaceae)

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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
ISSN	0007-196X
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
推荐引用方式 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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