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投稿e-mail: jbnuns_sub@bnu.edu.cn

主编e-mail: jbnuns_eic@bnu.edu.cn

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标题

小叶椴复合体的叶、花形态连续变异观察

作者

王升洪 张玉芬 王红霞 王红芳 鲍 蕾

机构

北京师范大学生命科学学院

摘要

紫椴(Tiliaamurensis)和蒙椴(T.mongolica)是分布于北方的主要椴树属植物,形态上有差别但不易区分, 二者均可称为小叶椴,本研究将其处理为“小叶椴复合体”.利用形态扫描及便携式数码显微镜(DigitalPortable Microscope)观察,对小叶椴复合体的叶、花形态指标进行测量,有助于深入了解其形态上的变异规律.研究结果显示,小 叶椴复合体的叶、花形态存在连续性,特别是存在着雄蕊退化不完全的现象.

关键词

紫椴;蒙椴;小叶椴复合体;退化雄蕊;形态

引用

王升洪, 张玉芬, 王红霞, 王红芳, 鲍 蕾. 小叶椴复合体的叶、花形态连续变异观察[J]. 北京师范大学学报(自然科学版),2015,51(6):602-605.

基金

国家自然科学基金青年基金资助项目(31200328);中央高校基本科研业务专项基金资助项目(2012LYB31)

分类号

Q948

DOI

10.16360/j.cnki.jbnuns.2015.06.012

Title

Continuous morphological variations in leaves and flowers of “small-leaved lime complex”

Author

WANG Shenghong, WANG Hongxia, WANG Hongfang, BAO Lei

Affiliations

College of Life Sciences, Beijing Normal University

Abstract

Tilia amurensis and T. mongolica are two main species of the genus Tilia in northern China. As they are not easy to distinguish taxonomically and are both called small-leaved lime, we considered them “small-leaved lime complex”. We used image scanning and portable digital microscopy to measure morphological features of leaves and flowers, which helped to understand morphological variations. It was found that morphological variations of “small-leaved lime complex” were continuous, especially incomplete staminodes were observed.

Key words

Tilia amurensis; Tilia mongolica; small-leaved lime complex; staminode; morphology

cite

WANG Shenghong, WANG Hongxia, WANG Hongfang, BAO Lei.Continuous morphological variations in leaves and flowers of “small-leaved lime complex” [J]. Journal of Beijing Normal University(Natural Science),2015,51(6):602-605.

DOI

10.16360/j.cnki.jbnuns.2015.06.012

Copyright © 2014 Journal of Beijing Normal University (Natural Science)
Designed by Mr. Sun Chumin. Email: cmsun@mail.bnu.edu.cn