Eventually, though, a mustard plant may attain a height of from 10 to 15 feet [3 - 5 m] and have sturdy branches, thus virtually becoming a tree. ​ — Matt. 13: 31, 32.
Sinepitaim võib aga kasvada 3 – 5 meetri kõrguseks ja kuna tal on toekad varreharud, on ta otsekui puu.