When it comes to describing small trees, we often use the term "dwarf tree." However, there are a variety of synonyms available for this phrase, depending on the size and character of the tree in question. For example, a weeping cherry tree could be described as a "lilliputian tree," while a miniature fruit tree could be referred to as a "pocket-sized tree." Other possible synonyms include "bonsai" (a small, highly cultivated tree), "dwarf conifer" (a small evergreen tree), and "pom-pom tree" (a small tree with a globular shape). Ultimately, the synonym you choose will depend on the specific qualities of the tree and the context in which you are describing it.