%0 Journal Article
%A Yuhan LIU
%A Tingting LI
%A Liu YANG
%A Te LI
%A Gang LIU
%A Xiuwei WANG
%T Differences in Leaf Stomatal Traits across Plant Life Forms and Stomatal Distribution Types and Their Associations with Leaf Economic Traits
%D 2026
%R 10.7525/j.issn.1673-5102.2026.01.012
%J Bulletin of Botanical Research
%P 131-144
%V 46
%N 1
%X <p>To explore the differences in stomatal traits between different life forms（trees vs. shrubs） and stomatal distribution types（hypostomatous vs. amphistomatous）， and their relationships with leaf economic traits， this study was conducted from July to August 2023 using 22 common tree species on the campus of Northeast Forestry University. Through correlation analysis and standardized major axis analysis， the following findings were obtained： （1）Both life forms and stomatal distribution types significantly influenced stomatal traits. Trees exhibited significantly higher stomatal density（<i>D</i><sub>S</sub>） （<i>P</i>&lt;0.05） but lower stomatal aperture（<i>A</i><sub>S</sub>） than shrubs. Hypostomatous leaves showed significantly higher <i>D</i><sub>S</sub> and stomatal relative area（<i>A</i><sub>SR</sub>） than amphistomatous leaves. （2）Relationships among stomatal traits varied by life form and leaf type. Negative correlations between <i>D</i><sub>S</sub> and stomatal size （<i>S</i><sub>S</sub>） or <i>A</i><sub>SR</sub> were statistically significant（<i>P</i>&lt;0.05） only in trees and hypostomatous leaves， while the positive correlation between <i>S</i><sub>S</sub> and <i>A</i><sub>S</sub> reached significance（<i>P</i>&lt;0.05） exclusively in hypostomatous leaves. （3）Stomatal traits were closely linked to the other leaf economic traits. Both <i>D</i><sub>S</sub> and <i>A</i><sub>SR</sub> were negatively correlated with specific leaf area （<i>A</i><sub>SL</sub>） and leaf nitrogen content（<i>N</i><sub>L</sub>）， but positively correlated with leaf dry matter content（<i>C</i><sub>LDM</sub>）. <i>A</i><sub>S</sub> showed a negative correlation with <i>N</i><sub>L</sub>. Trait coordination was more stable in trees and hypostomatous leaves， whereas shrubs and amphistomatous leaves exhibited more independent trait variations. The results of this research help to further understand the stomatal development strategies of different types of plants.</p>
%U https://bbr.nefu.edu.cn/EN/10.7525/j.issn.1673-5102.2026.01.012