? Abstract
Greenish flowers,
Purplish red flow,
Bicolored flowers,
Ovule number,
Baoxing County,
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Plant Diversity 2017, 39(2) 94-103 DOI:   http://dx.doi.org/10.1016/j.pld.2017.01.002  ISSN: 2096-2703 CN: 53-1233

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Greenish flowers|
Purplish red flow|
Bicolored flowers|
Ovule number|
Baoxing County|
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Greenish flowers

Purplish red flow

Bicolored flowers

Ovule number

Baoxing County
Xinhua Li a*
Licun Zhang a
Wenhui Li a
Xiaoming Yin b
Sen Yuan a
Article by Xinhua Li a*
Article by Licun Zhang a
Article by Wenhui Li a
Article by Xiaoming Yin b
Article by Sen Yuan a

 New taxa of Berberis (Berberidaceae) with greenish flowers from a biodiversity hotspot in Sichuan Province, China

 Xinhua Li a*, Licun Zhang a, Wenhui Li a, Xiaoming Yin b, Sen Yuan a

College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
College of Resources and Environmental Sciences, Nanjing 210095, China


A new species, Berberis viridiflora X. H. Li, and a new variety, Berberis sanguinea Franch. var. viridisepala X. H. Li, L. C. Zhang & W. H. Li are described and illustrated from Baoxing County, a biodiversity hotspot  located on the eastern edge of Hengduan Mountains in Sichuan Province, Southwest China. Both new taxa resemble B. sanguinea Franch. var. sanguinea, but B. viridiflora differs by the greenish flowers, and the petals being truncate, obtuse, or undulate at apex; while B. sanguinea var. viridisepala differs by the greenish or yellowish green flowers. Morphological features of the pollen grains of B. sanguinea and the two new taxa are revealed by scanning electron microscope. B. sanguinea var. sanguinea displays obvious similarities with a sympatric congener, Berberis multiovula T. S. Ying in the morphology of flowers, stems
and leaves, especially its ovule number varies greatly from 2 to 9, thus, B. multiovula characterized by the 5-ovuled ovary is reduced to a synonymy of B. sanguinea var. sanguinea. On the basis of field surveys and study of herbarium specimens, a total of 16 species and varieties of Berberis are recorded from Baoxing County, and a key is provided. Among the 16 taxa, most phenotypic variations in Chinese Berberis can be displayed, including the habit of plants, most morphological variations of stems, branches and leaves, all types of inflorescences, all color types of flowers, and nearly all types of the shape and color of fruits. Baoxing County and its adjacent Sichuan Giant Panda Sanctuaries possibly constitute an active diversification center of Berberis in eastern Hengduan Mountains of China.

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Received 2016-10-08 Revised 2017-01-17 Online:  
DOI: http://dx.doi.org/10.1016/j.pld.2017.01.002
Fund:This work was supported by the National Natural Science Foundation of China (Grant No. 31170174), and the S & T
Basic Work, Ministry of Science and Technology of the People's Republic of China (Grant No. 2013FY112100).
Corresponding Authors: Lixinhua@njau.edu.cn (X. Li).
Email: Lixinhua@njau.edu.cn
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