Secondary thickening developing from a conventional cambial ring. Included' phloem absent. 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. The pistil 1 celled, or 3 celled. Ovary 1 locular, or 3 locular. Outer integument contributing to the micropyle.