CHROMOSOME-NUMBER OF THE OXALIS-TUBEROSA ALLIANCE (OXALIDACEAE)

被引：19

作者：

DEAZKUE, D

MARTINEZ, A

机构：

[1] Centro de Estudios Farmacológicos y de Principios Naturales (CEFAPRIN) Serrano 665, Buenos Aires

来源：

PLANT SYSTEMATICS AND EVOLUTION | 1990年 / 169卷 / 1-2期

关键词：

Angiosperms; Chromosome numbers; cytotaxonomy; karyotype analyses; Oxalidaceae; Oxalis tuberosa alliance;

D O I：

10.1007/BF00935981

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Twelve taxa of the Oxalis tuberosa alliance were analysed and found to share the same basic chromosome number x = 8. The karyotypes are composed by small metacentric and submetacentric chromosomes. Different ploidy levels were found among the taxa: there were 9 diploids, 1 tetraploid, 1 hexaploid and 1 octoploid. The last ploidy level corresponds to O. tuberosa, the only tuber bearing taxon found so far in the alliance. Cytotaxonomic evidence and evolutionary considerations suggest to classify the O. tuberosa alliance in sect. Herrerea. © 1990 Springer-Verlag.

引用

页码：25 / 29

页数：5

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