期刊论文

中文

湖南农业大学学报(自然科学版)

1007-1032

2007

33

3

285-286

10.3321/j.issn:1007-1032.2007.03.008

湖南省自然科学基金项目（06JJ4129）；

本校为第一机构

对湖南省广泛分布的山莓实地踏察和生态习性观察表明,山莓系荒地的一种先锋植物,耐贫瘠,适应性强,属阳性植物.在林缘、山谷阳坡生长,有阳叶、阴叶之分,是湖南省植被的一个广布种.叶的解剖结构为典型的双子叶植物二面叶,由表皮、栅栏组织、海绵组织和维管束组成.叶柄由表皮、基本组织和维管束组成.叶片显著特点为:第一,单细胞表皮毛的数量多于腺毛.腺毛头部大略为球形,多细胞柄部较长,由一行或两行细胞组成.第二,幼叶、阴叶栅栏组织呈"小丘"状,阳叶栅栏组织细胞体积较小,排列紧密,孔隙度小,海绵组织疏松,气下室空腔大.第三,主脉、叶柄的厚角组织和薄壁细胞内多数有晶簇,成含晶异细胞.

The research on Rubus corchorifolius L. f. shows ： Rubus corchorifolius is a pioneer plant in the wasteland, which can stand poor soil with better adaptability. It＇s a sun-plant usually growing across the edge of forest or in the valley, the leaves of which are divided into sun-leaf and shade-leaf. It has a wide-ranging distribution in Hunan Province. The anatomical structure of the leaf shows that it＇s a typical dicotyl bifacial leaf which consists of epidermis, palisade tissue, spongy tissue and vascular bundle; the petiole consists of epi...