我国东北胡枝子属及其近缘属的花粉形态和分类研究

中国科学院大学学报

我国东北胡枝子属及其近缘属的花粉形态和分类研究

1黄普华, 2马金双

1（东北林业大学，哈尔滨） 2（北京医科大学，北京）

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1987-10-18 发布日期:1987-10-18
通讯作者: 黄普华

Studies on Pollen Morphology and Taxonomy of Lespedeza and Its Allied Genera from NE China

Huang Pu-Hwa, Ma Jin-Shuang

Received:1900-01-01 Revised:1900-01-01 Online:1987-10-18 Published:1987-10-18
Contact: Huang Pu-Hwa

摘要/Abstract

关键词: 胡枝子属, 杭子梢属, 鸡眼草属, 花粉形态, 分类学

Abstract:

The pollen morphology of 11 species and 1 variety in the genus Lespedeza and its

allied genera (Campylotropis, Kummerowia) from NE China was examined under light and

scanning electron microscopes.

1. Lespedeza Michx. (plate 1:1-6; 2:1-6; 3:1-6; 4:1-2)

Pollen grains prolate, rarely subprolate or spheroidal, elliptic or rarely suborbicular in equa-

torial view, 3-lobed-rounded in polar view, tricolporate, colpus margins smooth or jagged. Polar

axis 20.7-33.1μm long, equatorial axis 15.4-20.9 μm long. Exine reticulate or foveolate, lu-

mina verrucose or smooth under SEM.

2. Campylotropis Bge. (plate 4:3-4)

One species in NE China, C. macrocarpa (Bge.) Rehd. Pollen grains prolate, elliptic in

equatorial view, 3-lobed-rounded in polar view, 3-colporate, colpus linear, 25.1μm long, 1.79μm

broad, colpus margins jagged, with a series of verrucae equal in size along one side visible

under SEM. Polar axis 19.7μm long, equatorial axis 14.6μm long. Exine reticulate, lumina

nearly rounded, verrucose at periphery under SEM.

3. Kummerowia Schindl. (plate 4:5-6)

Pollen grains spheroidal, oblate or prolate, elliptic in equatorial view, obtuse-triangular in

polar view, tricolporate, colups linear, 25.1μm long, 2.01μm broad, colpus margins sinuate.

Polar axis 24.7-27.9μm long, equatorial axis 19.7-26.6μm long. Exine reticulate or subreti-

culate, lumina nearly rounded, with verrocae visible under SEM.

According to the pollen morphology of Lespedeza and its allied genera, the division of

Lespedeza (s. lat.) into Lespedeza (S. str.), Campylotropis and Kummarowia by Schindler (1912)

is reasonable. The subdivision of Lespedeza (s. str.) into Sect. Macrolespedeza and Sect. Lespe-

deza by many botanists, and the treatment of Lespedeze juncea (L. f.) Pers. var. inschanica

Maxim. as an independent species (i.e. Lespedeza inschanics (Maxim). Schindl.) are also suppor-

ted by the pollen morphology shown in the present work.

Key words: Lespedeza, Campylotropis, Kummerowia, Pollen Morphology, Taxonomy

黄普华, 马金双. 我国东北胡枝子属及其近缘属的花粉形态和分类研究[J]. 中国科学院大学学报.

Huang Pu-Hwa, Ma Jin-Shuang. Studies on Pollen Morphology and Taxonomy of Lespedeza and Its Allied Genera from NE China[J]. .

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