The Families of Flowering Plants L. Watson and M. J. Dallwitz Humiriaceae Juss. Alternatively Houmiriaceae Juss. Habit and leaf form . Trees, or shrubs.
Leaves stipulate, or exstipulate.
Lamina margins entire, or crenate, or serrate. Leaf anatomy . The mesophyll crystals druses, or solitary-prismatic. Stem anatomy . Secretory cavities absent.