Internal phloem absent. Vessel end-walls simple. Vessels without vestured pits. Primary medullary rays narrow. Reproductive type, pollination .
Unisexual flowers present .
Inflorescence, floral, fruit and seed morphology . The terminal inflorescence unit cymose. Inflorescences usually cymes, thyrses or cincinni. The floral irregularity involving the perianth and involving the androecium. Free hypanthium absent .