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青海可可西里地区植物的染色体报道(1)
引用本文:杨永平,武素功.青海可可西里地区植物的染色体报道(1)[J].云南植物研究,1993,15(2):173-178.
作者姓名:杨永平  武素功
作者单位:中国科学院昆明植物研究所,中国科学院昆明植物研究所 昆明 650204,昆明 650204
摘    要:

关 键 词:可可西里地区  染色体  植物

CHROMOSOMAL REPORTS ON SOME PLANTS OF HOHXIL REGION, QINGHAI (1)
YANG Yong-Ping,WU Su-Gong.CHROMOSOMAL REPORTS ON SOME PLANTS OF HOHXIL REGION, QINGHAI (1)[J].Acta Botanica Yunnanica,1993,15(2):173-178.
Authors:YANG Yong-Ping  WU Su-Gong
Abstract:Hohxil Region, Qinghai, is situated in the hinterland of Qinghai-Xizang Plateau. The flora is characterized as poor plant species and simple structure since the average altitude there is about 5000 meters with bitter alpine cold-drought climate and nature condition. This paper deals with the karyotypes of 9 species from Hohxil Region, and their karyotypic formulae are pressented as follows: 1. Gentiana clarkei Kusnez.: 2n = 24 = 6m+2sm+16st(2SAT); 2. Adonis coerulea Maxim. :2n= 16 = 6m+10sm; 3. Allium carolinianum DC.:2n= 16= 12m+2sm+2st; 4. Oxygraphis glacialis (Fisch.)Bunge: 2n = 16 = 6m+6sm+4st; 5. Saxifraga tibetica A.Losinsk.: 2n=16 = 6m+2sm+8st; 6. Delphinium candelabrum Ostenf. vai.monanthum (Hand.-Mazz.); 2n=16 = 8m+6sm(2SAT)+2st; 7. Delphinium tangkulaense W.T.Wang f. xanthanthum W.T.Wang et S.K.Wu :2n= 16 = 2m(2SAT)+14sm(2SAT); 8. Anemone obstusilobaD.Don ssp. ovalifolia Bruhl.:2n= 14 = 6m+6sm+2t; 9. Callianthemum pimpinelloides Hook.f.et Thorns.:2n= 16 = 6m+10sm. Among them, the karyotypes of 6 species except O. glacialis, A. obstusiloba and C. pimpinelloides are reported for the first time.
Keywords:Hohxil Region  Plant chromosome and Karyotypes
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