The term 'small tree' can refer to a variety of plants, including the HAWTHORN (8 letters), bonsai (6 letters), SUMAC (5 letters), and SHRUB (5 letters). The HAWTHORN is a type of flowering SHRUB or small tree that is native to Europe, Asia, and North America. Bonsai is a Japanese art form in which trees are grown in containers and pruned to maintain a miniature size. SUMAC is a type of SHRUB or small tree that is native to North America and parts of Asia. Finally, a SHRUB is a woody plant that is typically smaller than a tree and has multiple stems.