Systematic positions of Medicago edgeworthii and m. Archiducis-nicolai (Leguminosae) inferred from plastid trnK/matK, nuclear GA30x1 and its sequences. | [Pakistan Journal of Botany • 2014]

Author(s):

1. Die Hu: Key Laboratory of Plant Germplasm Enhancement and Speciality Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China;University of Chinese Academy of Sciences, Beijing, China

2. Feifei Li: Key Laboratory of Plant Germplasm Enhancement and Speciality Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China;University of Chinese Academy of Sciences, Beijing, China

3. Jie Liu: Key Laboratory of Plant Germplasm Enhancement and Speciality Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China;University of Chinese Academy of Sciences, Beijing, China

4. Yanxia Sun: Key Laboratory of Plant Germplasm Enhancement and Speciality Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China;University of Chinese Academy of Sciences, Beijing, China

5. Xinwei Li: Key Laboratory of Plant Germplasm Enhancement and Speciality Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China;University of Chinese Academy of Sciences, Beijing, China

6. Juan Yan: Key Laboratory of Plant Germplasm Enhancement and Speciality Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China;University of Chinese Academy of Sciences, Beijing, China

7. Jianqiang Li: Key Laboratory of Plant Germplasm Enhancement and Speciality Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China;University of Chinese Academy of Sciences, Beijing, China

Abstract:

This paper characterizes the systematic positions of Medicago edgeworthii and M. archiducis-nicolai. The combined data set of chloroplast trnK/matK, nuclear GA3ox1 and ITS sequences provided a substantial amount of informative characters. The methods of Maximum parsimony, Bayesian inference, and Maximum likelihood were employed. The results showed that M. edgeworthii formed a monophyletic group with M. biflora and M. brachycarpa, both of which are members of section Lunatae; M. archiducis-nicolai is closely related to M. platycarpa and M. ruthenica. Our study supports the previous view that M. edgeworthii belongs to section Lunatae, and M. archiducis-nicolai belongs to section Platycarpae. In addition, the study suggests that M. lupulina is a member of a clade having M. tenoreana and M. minima, which indicates that M. lupulina and M. secundiflora should probably not be placed in the same section.

Page(s): 775-778

DOI: DOI not available

Published: Journal: Pakistan Journal of Botany, Volume: 46, Issue: 3, Year: 2014

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