毛茛科雄蕊结构的分类学价值

doi:10.11686/cyxb20150317

草业学报 ›› 2015, Vol. 24 ›› Issue (3): 168-176.DOI: 10.11686/cyxb20150317

毛茛科雄蕊结构的分类学价值

程薪宇¹，刘玫^1*，郭梦桥²

1.哈尔滨师范大学生命科学与技术学院，黑龙江省分子细胞遗传与遗传育种重点实验室，黑龙江哈尔滨 150025;
2.黑龙江省科学院大庆分院，黑龙江大庆 163319

收稿日期:2014-08-26 修回日期:2014-10-27 出版日期:2015-03-20 发布日期:2015-03-20
通讯作者: E-mail:hsd_liumei@163.com
作者简介:程薪宇(1985-)，男，黑龙江牡丹江人，在读博士。E-mail:xinyuchengtc@aliyun.com
基金资助:
国家自然科学基金(31270235，31070169)，黑龙江省高校重点实验室开放课题研究项目(ZK201202)和哈尔滨师范大学博士创新基金(HSDBSCX2013-06)资助。

Taxonomic value of stamen structure in the family Ranunculaceae

CHENG Xinyu¹, LIU Mei^1*, GUO Mengqiao²

1.College of Pratacultural and Environmental Science, Xinjiang Agricultural University, Urumqi 830052, China;
2.Xinjiang Key Laboratory of Grassland Resources and Ecology, Urumqi 830052, China

Received:2014-08-26 Revised:2014-10-27 Online:2015-03-20 Published:2015-03-20

摘要/Abstract

摘要： 本文采用形态观察及GMA半薄切片法深入研究了毛茛科18属，37种，及5变种的雄蕊形态结构。结果显示雄蕊表面无毛或被非腺毛及腺毛。花丝呈丝状、条状、棒状、长三角形或短柱状，其薄壁组织胞间隙不明显或发达。花药侧面观为∞形、椭圆形、近圆形或条形;幼嫩花药横切面形状变化较大，为V形、Λ形、椭圆形、方形、∞形或蝶形;花粉囊间薄壁细胞排列呈V形、Λ形或直线形。成熟花药的花粉囊间薄壁细胞消失。部分幼嫩时横切面∞形的花药，成熟时变为椭圆形，而蝶形和方形的花药则变为∞形。花药及花丝的特征在属及种内是稳定的，可作为毛茛科属及组的分类学证据。本文完善了毛茛科花形态学研究，为进一步研究毛茛科系统学提供了新的形态学基础。

Abstract: The stamen structure of 18 genera, 37 species, and 5 varieties in the Ranunculaceae was studied in detail using morphological observation and glycol methacrylate (GMA) section methods. The surfaces of stamens were glabrous or with glandular or non-glandular hairs. The filament morphology was filiform, strap-like, clavate, long triangular or short columnar, and the intercellular space of the parenchyma was inconspicuous or substantial. The anthers in lateral view were bi-cylindrical (∞), elliptical, near circular, or strap shaped. The young anthers in transverse section were various shapes, including V, Λ, elliptical, square, bi-cylindrical, or butterfly shaped. The parenchyma cells between pollen sacs were arranged in a V shape, Λ shape, or in a line, and the parenchyma disappeared when the anthers became mature. Some anthers had a bi-cylindrical cross sectional shape in early development but became elliptical at maturity, or were had butterfly or square cross sectional shape in early development but a bi-cylindrical shape at maturity. These morphological features of the anthers and filaments were found to be stable within genera and species. This study enhances knowledge of flower morphology in the Ranunculaceae, and provides additional taxonomic criteria for use in classifying members of the Ranunculaceae.

程薪宇，刘玫，郭梦桥. 毛茛科雄蕊结构的分类学价值[J]. 草业学报, 2015, 24(3): 168-176.

CHENG Xinyu, LIU Mei, GUO Mengqiao. Taxonomic value of stamen structure in the family Ranunculaceae[J]. Acta Prataculturae Sinica, 2015, 24(3): 168-176.

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毛茛科雄蕊结构的分类学价值

Taxonomic value of stamen structure in the family Ranunculaceae

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