The Families of Flowering Plants L. Watson and M. J. Dallwitz Violaceae Batsch. Leoniaceae DC., Retrosepalaceae Dulac Habit and leaf form . The herbs with a basal aggregation of leaves, or with neither basal nor terminal aggregations of leaves. Self supporting, or climbing. Mesophytic, or helophytic.
Leaves stipulate .
Stipules free of one another . Leaves without a persistent basal meristem. Leaf anatomy . Mucilaginous epidermis often present. Adaxial hypodermis present, or absent.