Included' phloem present. Vessels with vestured pits. Reproductive type, pollination . Inflorescence, floral, fruit and seed morphology . Free hypanthium absent.
Corolla lobes markedly shorter than the tube to about the same length as the tube.
Androecium exclusively of fertile stamens. Carpels reduced in number relative to the perianth. Endothelium not differentiated. Endosperm formation nuclear. Physiology, biochemistry .