The Families of Flowering Plants L. Watson and M. J. Dallwitz Guttiferae Juss. Alternatively Clusiaceae Lindl. Excluding Bonnetiaceae Habit and leaf form . Self supporting, or epiphytic, or climbing.
Leaves exstipulate .
Lamina margins entire. Leaves without a persistent basal meristem. Leaf anatomy . Stem anatomy . Internal phloem absent.