A Primary Report of Twins Phenomenon Seeds in Samara of Fraxinus Rhynchophylla Hance

Journal of Liaocheng University(Natural Science Edition)（2011）

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摘要

Fraxinus rhynchophylla Hance.Belongs to Oleaceae of Fraxinus L.,which has unique beautiful shape.It can be used as a court appearance shadow trees,street trees or ornamental forest.The samara is oblanceolate,and the apex is blunt or concave,or a small sharp.Normal samara has 1 grain,now we found some has twins phenomenon in Fraxinus rhynchophylla Hance.

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关键词

samara,twins phenomenon,Fraxinus rhynchophylla Hance

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