五莲山区毛茛资源及其观赏特性研究

Study on the Resources and Ornamental Characteristics of Ranunculus japonicus in Wulian Mountain Area

2011年10月至2012年5月,对山东省日照市五莲山地区进行了实地调查,研究了毛茛的资源状况,并对毛茛进行引种栽培,从园林应用的角度研究其观赏特性。结果表明:毛茛在五莲山区分布较广,在调查的多个样方中均有分布,生长良好;毛茛自然分布区植物群落丰富度较高,群落中伴生植物主要是草本植物,主要有青岛老鹳草、唐松草、委陵菜、狗尾草、蕨类等;毛茛观赏特性优良,花瓣5枚,辐射对称,表面蜡质,花色鲜黄艳丽,着花繁密,在盛花时覆盖枝叶,花期较长,且开放一致,花枝直立,体态轻盈,基生叶浓密而叶色翠绿,花序高出基生叶数十厘米,观花效果鲜明。

From October 2011 to May 2012, the resources and ornamental characteristics of Ranunculus japonicus were investigated in Wulian Mountain Area in Rizhao City, Shandong Province by field investigation and introduction and cultivation. The results showed that Wulian Mountain Area possessed rich resources of Ranunculus japonicus that grew well and distributed in every investigating quadratswith various accompanying plant species including Geranium tsingtauense , Thalictrum aquilegi f olium , Potentilla chinensis , Setaria viridis , Pteridoph yta and so on. Ranunculus japonicus was vigorous and beautiful. The simple,radially symmetric flowers of Ranunculus japonicus were yellow and had five petals with lustrous surface. It produced a rosette of basal leaves from which appeared a dense, upright inflorescence and had long flowering period.