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The Classification and Distribution of the Genus Calligonum L. in China
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中国
分布(数学)
植物
生物
传统医学
地理
数学
医学
数学分析
考古
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Mao ZM, Pan BR. 1986. The classification and distribution of the genus Calligonum L. in China. J Syst Evol. 24(2): 98–107.The genus Calligonum L. includes a total number of 35 species in the world, of which 24 are in China. They are grouped into four sections, of which Sect. Calliphysae (Fisch. et Mey.) Borszcz. is the most primitive and Sect. Medusae Sosk. et Alexender. is the most progressive. The Calligonum L. is an ancient genus in the arid desert flora, and central Asia is the place of its origin. Some species migrated to the Middle Asia and Iran, developing into a second center there. Also, some newly occurred species of the Middle Asia emigrated eastwards to central Asia, so the genus Calligonum L. in China comprises components of both central Asia and the Middle Asia. |
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