Two PEL of cpDNA of Magnolia Accisa, a New Species (Magnoliaceae) from China
American Journal of Agriculture and Forestry
Volume 7, Issue 5, September 2019, Pages: 234-238
Received: Aug. 31, 2019;
Accepted: Sep. 16, 2019;
Published: Sep. 23, 2019
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Da-Li Fu, Non-timber Forestry Research and Development Center, Chinese Academy of Forestry, Zhengzhou, China; Key Laboratory of Non-timber Forest Germplasm Enhancement & Utilization of National Forestry and Grassland Administration, Zhengzhou, China
Hao Fu, General Station of Forest and Grassland Pest Control of National Forestry and Grassland Administration, Shenyang, China
Run-Mei Duan, Experimental Center of Tropical Forestry, Chinese Academy of Forestry, Pingxiang, China
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Magnolia sect. Rytidospermum Spach is an important taxon and has an important position in the evolutionary and taxonomic system of Magnoliaceae. A new species of the section was discovered in the investigation of the plant resources in China, named Magnolia accisa D. L. Fu, H. Fu et R. M. Duan, sp. nov. for its leaves with accisus apices and viridescent lower surfaces, which had been confused with M. officinalis var. biloba Rehd. & Wils. for many years. In order to determine its evolutionary taxonomic status, two similar species, M. officinalis Rehd. & Wils. with the variety M. officinalis var. biloba Rehd. & Wils, and M. rostrata W. W. Smith also collected, and two partial sequences of chloroplast genome, matK and trnL-ndhJ, were amplified and sequenced respectively. The partial sequences were analyzed and compared with 39 samples of the chloroplast complete genomes of Magnoliaceae in the NCBI (National Center for Biotechnology Information, USA) database, and the results indicated that the new species Magnolia accisa has two PEL (particularly evolutionary loci): matK (...ACAAGGTGGGATTTCCA...) and trnL-ndhJ (...GTCTAGTCTATAGGAGT...), for that the oppositely evolutionary loci of matK (...ACAAGGTGAGATTTCCA...) and trnL-ndhJ (...GTCTAGTCTAGAGGAGT...) are possessed by all other contrasted samples including the experimental materials and the data of NCBI of Magnoliaceae. So, the new species is described and illustrated according International Code of Botanical Nomenclature, which will speed up the investigation of plant resources of Magnoliasect. Rytidospermum Spach in China.
PEL (Particularly Evolutionary Loci), Magnolia Accisa, matK, trnL-ndhJ, New Species, Magnoliaceae
To cite this article
Two PEL of cpDNA of Magnolia Accisa, a New Species (Magnoliaceae) from China, American Journal of Agriculture and Forestry. Special Issue: The New Evolutionary Theory & Practice.
Vol. 7, No. 5,
2019, pp. 234-238.
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