Internal phloem absent. Secondary thickening developing from a conventional cambial ring. Xylem with fibre tracheids. Reproductive type, pollination . Inflorescence, floral, fruit and seed morphology .
Inflorescences paniculate or racemose.
Free hypanthium absent. Androecium exclusively of fertile stamens. Ovary 1 locular, or 3 locular. Outer integument contributing to the micropyle. Endosperm formation nuclear.