Vegetative buds scaly, or not scaly. Leaves without a persistent basal meristem. Leaf anatomy . Stomata anomocytic, or paracytic. Lamina dorsiventral, or dorsiventral to isobilateral.
Minor leaf veins without phloem transfer cells.
Stem anatomy . Secondary thickening developing from a conventional cambial ring. Xylem with fibre tracheids. Vessels without vestured pits. Wood parenchyma apotracheal.