Plant height is different: plum is relatively high, about 4-10 meters high; elm belongs to Rosaceae and peach, relatively short, about 2-3 meters high. The leaves are different: the former is about 4-8 cm long with small sharp serrations on the edge; the latter is about 2-6 cm long with coarse serrations on the edge. The flowers are different: the plum blossom first blooms and then leaves; the elm blossom will grow leaves for a period of time.
