一.前言多变小冠花(Coronilla varia L.)为豆科小冠花属(Coronilla L.)多年生草本植物。1975年由美国引入山西,我们1977年开始引种。几年来试验表明,它不仅是优良的牧草,也是很好的水土保持植物,还可作绿肥、果园复盖、蜜源和美化庭园净化空气的观赏植物。目前北方各地都在引种试验, I. Foreword Coronilla varia L. is a perennial herb of the genus Coronilla L. Introduced to the United States by the Shanxi in 1975, we introduced in 1977. Experiments over the years have shown that it is not only good forages but also good soil and water conservation plants as well as green plants, orchards, nectar and landscaping ornamental plants. Currently all over the northern introduction test,