Linaceae S.F. Gray Excluding Ctenolophacaceae , Erythroxylaceae , Hugoniaceae , Lepidobotryaceae Habit and leaf form . Mesophytic, or xerophytic.
Leaves stipulate, or exstipulate.
Lamina margins entire. Leaves without a persistent basal meristem. Leaf anatomy . Mucilaginous epidermis present, or absent. The mesophyll with sclerencymatous idioblasts, or without sclerenchymatous idioblasts.