Polyploidy in Paullinia (Paullinieae, Sapindaceae) and its Systematic Implications

被引：3
|
作者：
Urdampilleta, Juan D. [1 ,2 ]
Forni-Martins, Eliana R. [2 ]
Ferrucci, Maria S. [3 ]
机构：
[1] Univ Nacl Cordoba, Consejo Nacl Invest Cient & Tecn, Inst Multidisciplinario Biol Vegetal, CC 495, Cordoba, Argentina
[2] Univ Estadual Campinas, Programa Posgrad Biol Vegetal, Inst Biol, Dept Biol Vegetal, Caixa Postal 6109, BR-13083970 Campinas, SP, Brazil
[3] Univ Nacl Nordeste, Consejo Nacl Invest Cient & Tecn, Inst Bot Nordeste, CC 209, Corrientes, Argentina
来源：
SYSTEMATIC BOTANY | 2020年 / 45卷 / 04期
基金：
巴西圣保罗研究基金会;
关键词：
Chromosome number; cytotaxonomy; evolution; phylogeny; URVILLEA SAPINDACEAE; KARYOTYPE; EVOLUTION; CUPANA;
D O I：
10.1600/036364420X16033962925196
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Chromosome counts from 23 populations of 16 species of Paullinia (Paullinieae, Sapindaceae) from South America are given. These include first counts for ten species in six of the thirteen sections of this genus. Counts of 2n = 24 for P. cristata, P. revoluta, P. thalictrifolia, P. trigonia, P. uloptera, P. rhomboidea; 2n = 48 for P. seminuda and P. sp.; and two cytotypes of 2n = 48 and 2n = 96 for P. carpopoda and P. rubiginosa; and ca. 2n = 216 for P. cupana var. sorbilis. The chromosome number 2n = 24 appears to be conserved for this genus, however, in this contribution polyploid series are cited for the first time for some native species. These results were interpreted in a phylogenetic context.
引用
收藏
页码：873 / 878
页数：6
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