Circumscription of the Sibbaldia procumbens complex (Potentilleae: Rosaceae) in China based on evidence from simple sequence repeat markers and morphology

被引：5
|
作者：
Zhang, Huajie [1 ,2 ]
Feng, Tao [1 ]
Landis, Jacob B. [3 ]
Zhang, Xu [1 ,2 ]
Meng, Aiping [1 ]
Deng, Tao [4 ]
Sun, Hang [4 ]
Wang, Hengchang [1 ]
机构：
[1] Chinese Acad Sci, Key Lab Plant Germplasm Enhancement & Specialty A, Wuhan Bot Garden, Wuhan, Hubei, Peoples R China
[2] Univ Chinese Acad Sci, Beijing, Peoples R China
[3] Univ Calif Riverside, Dept Bot & Plant Sci, Riverside, CA 92521 USA
[4] Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming, Yunnan, Peoples R China
来源：
BOTANICAL JOURNAL OF THE LINNEAN SOCIETY | 2019年 / 191卷 / 03期
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
simple sequence repeats; species circumscription; taxonomy; SSR MARKERS; FRAGARIA; STRAWBERRY; GENUS; DIVERSITY;
D O I：
10.1093/botlinnean/boz056
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
In this study we aimed to delimit the boundaries of the Sibbaldia procumbens species complex, integrating morphological, geographical and molecular data at the population level. In total, 246 individuals were tested with simple sequence repeat (SSR) markers, and individuals were classified into three clusters. Stable variation in the morphology of leaflets, episepal and achenes was found between individuals from eastern and western Tibet, and this corresponds to the observed genetic structure when K = 2. The combined analysis of morphology and SSRs suggests three species should be recognized in the complex in China (S. procumbens, S. cuneata and S. aphanopetala). The ranges of these three species are mostly geographically separate from each other. Sibbaldia aphanopetala has often been treated as a variety of S. procumbens, but here we restore it to species rank.
引用
收藏
页码：305 / 314
页数：10
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