The Families of Flowering Plants - Clethraceae Klotzsch. The Families of Flowering Plants L. Watson and M. J. Dallwitz Clethraceae Klotzsch. Habit and leaf form .
Leaves exstipulate .
Lamina margins serrate, or dentate, or entire. Leaf anatomy . Minor leaf veins without phloem transfer cells. Stem anatomy . Internal phloem absent.