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Study on the Structural Characteristics of China’s Typical Thymelaeaceae Phloem Fibers
Received:March 09, 2022  
DOI：10.11980/j.issn.0254-508X.2022.07.004
Key Words:Thymelaeaceae  phloem fiber  fiber structure  cell wall layer  microfibril angle
Fund Project:国家科技基础资源调查专项（2019FY100900）。
Author NameAffiliationPostcode
YU Menglan* School of Light Industry and Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
LIU Mengru School of Light Industry and Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
SHI Lisheng School of Light Industry and Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
XIAO Yuying School of Light Industry and Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
LI Hailong School of Light Industry and Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
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Abstract:The cell wall structure of five species of China’s typical Thymelaeaceae phloem fibers （Wikstroemia canescens， Daphne genkwa， Edgeworthia chrysantha， Aquilaria sinensis， Stellera chamaejasme） was investigated in this study. The results showed that the phloem fibers of five Thymelaeaceae species of were slender， and the middle section of Edgeworthia chrysantha and Aquilaria sinensis phloem fibers was significantly wider. The surface of the five phloem fibers were rough， the microfibrils of the primary wall were arranged in a network， and the microfibril size of the Aquilaria sinensis phloem fiber was the largest. The fibers had multi wall structure， and the microfibril angles of the phloem fibers of Wikstroemia canescens， Edgeworthia chrysantha， Aquilaria sinensis and Daphne genkwa were 10.66°， 10.55°， 10.20° and 19.67°， respectively， which were much smaller than that of Stellera chamaejasme （40.11°）.
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