大叶垂榆是普通垂榆的变种,除具有普通垂榆的特性外,它叶大、枝粗、叶片深绿色,叶面积是普通垂榆的3倍以上。浓密的大叶片配以庞大的伞形树冠,成为近几年来园林绿化中一个优美、奇特的观赏树种。通常采用嫁接繁殖,本人于2004年春季用白榆作砧木,大叶垂榆1年生枝条作接穗采用插 Large-leaved Elm is a common species of Elm, in addition to the characteristics of ordinary Elm, it is large leaves, thick branches, leaves dark green, leaf area is more than 3 times the ordinary Elm. The dense large leaves with a large umbrella-shaped crown, a landscape in recent years become a beautiful, unique ornamental tree species. Grafting is usually used, I spring in 2004 with white elm as stock, large leaves of elm 1 year old branches for the use of scion