浑善达克沙地花灌木资源

Ornamental Shrub Resources in Hunshandake Sandy Land

浑善达克沙地位于锡林郭勒高原中部,其周边城镇的园林绿化树种较少,为了丰富城镇园林绿化材料,发掘乡土观赏植物,对浑善达克沙地观赏价值较高的灌木资源进行了研究,共筛选出了42种,隶属于20属、12科的花灌木.对这些花灌木的形态特征、园林用途和繁殖方式分别做了描述.按照园林树木学的方法分类:得出观形灌木5种,观花灌木34种,观叶灌木6种,观果灌木21种(有些灌木同时具有多种观赏价值).根据这些树种在园林中的主要栽培用途分为:庭荫树3种、孤植树8种、林带与片林用树12种、园景树16种、绿篱树3种、地被树2种.

Hunshandake Sandy Land is located in the at middle part of the Xilinguole Plateau.There are fewer ornamental trees planted in the towns nearby the sands.In order to enrich the ornamental species for the urban landscaping and find the local ornamental species,we investigated and studied the shrubs with higher visual value in the sands.The results show that there are 42 species of shrubs in 20 genera of 12 families.The morphological characters,garden function and propagation of these species are described.According to the classification method of the ornamental dendrology,there are 5 species with tree form visual value,34 species with beautiful flowers,6 foliage species and 21 fruit-effect species.According to the function in the garden,there are 3 species of shade trees,8 species suitable for isolated planting,12 species suitable for shelter and forests,16 species suitable for garden landscape,3 species suitable for green fence,and 2 species suitable for ground cover.