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| Study of the Wall-to-Lumen Ratio in Fibers of Various Wild Plant Species |
| Received:June 30, 2025 Revised:July 10, 2025 |
| DOI：10.11980/j.issn.0254-508X.2025.08.001 |
| Key Words:plant fibers wall-to-lumen ratio fiber aspect ratio microscopic staining |
| Fund Project:国家科技基础资源调查专项（2019FY100900）。 |
| Author Name | Affiliation | Postcode | | WANG Yuanyuan* | National Engineering Research Center for Paper Making and Pollution Control, South China University of Technology, Guangzhou, Guangdong Province, 510640 | 510640 | | LI Hailong | National Engineering Research Center for Paper Making and Pollution Control, South China University of Technology, Guangzhou, Guangdong Province, 510640 | 510640 | | LI Sainan | College of Life Sciences, Zhaoqing University, Zhaoqing, Guangdong Province, 526061 | 526061 | | CHEN Siyao | National Engineering Research Center for Paper Making and Pollution Control, South China University of Technology, Guangzhou, Guangdong Province, 510640 | 510640 | | LIU Qinghe | National Engineering Research Center for Paper Making and Pollution Control, South China University of Technology, Guangzhou, Guangdong Province, 510640 | 510640 | | LIU Mengru* | National Engineering Research Center for Paper Making and Pollution Control, South China University of Technology, Guangzhou, Guangdong Province, 510640 | 510640 |
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| Abstract:This study analyzed the wall-to-lumen ratio in 216 fiber samples from four categories of Chinese plants—hardwood， softwoods， graminaceous species， and bast fibers—using cryo-sectioning and microstructural staining. Results demonstrated significantly lower ratios with minimal intra-sample variation in woody fibers： approximately 92% of hardwoods (47/51) exhibited ratios <1 (Lonicera ruprechtiana latewood peaked at 1.26)， while Lonicera 86% of softwoods (12/14) presented <1 (Larix gmelimii latewood maximum： 1.09). Conversely， graminaceous and bast fibers showed higher ratios with greater variability： approximately 91% of graminaceous samples (30/33) exceeded 1 (Ferroca lamus strictus maximum： 4.25)， and approximately 85% of bast fibers (100/118) were >1 (Litsea coreana var. lanuginose peak： 6.47). |
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