紫叶李是蔷薇科李属落叶小乔木,美人梅也是蔷薇科李属植物,是梅花的杂交品种,两者外形相似,其主要区别如下:1.叶色不同紫叶李嫩叶鲜红色,老叶呈紫红色(光线充足时);美人梅嫩叶鲜红色,老叶呈绿色。2.花形不同紫叶李的花为单瓣,花径较小,无香味,花叶同放;美人梅的花为重瓣,有清香,先花后叶。3.果实不同紫叶李果实较小,暗红色,果肉 Purple plum is a family of Rosaceae leaves deciduous trees, plum beauty is also a roseaceae Prunus, is a plum hybrids, both similar in shape, the main differences are as follows: 1 leaf color different purple leaves young leaves bright red, The old leaves were purple (light enough time); Mei Mei young leaves bright red, old leaves were green. 2. Flower-shaped flowers of different purple plum petals, flower diameter smaller, non-scented, with the same mosaic; beauty of plum flower double, with fragrance, the first flower after the leaves. 3 different fruit purple plum fruit is small, dark red, flesh