Vessels without vestured pits. Primary medullary rays narrow. Reproductive type, pollination . Inflorescence, floral, fruit and seed morphology . The terminal inflorescence unit cymose, or racemose.
Inflorescences usually compound.
Sometimes the androecium acyclic. Androecium exclusively of fertile stamens. Pollen shed as single grains. Placentation axile, or apical. Outer integument contributing to the micropyle.